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ID

VAR-202204-0649


CVE

CVE-2022-20692


TITLE

Cisco IOS XE  Resource Exhaustion Vulnerability in Software

Trust: 0.8

sources: JVNDB: JVNDB-2022-009707

DESCRIPTION

A vulnerability in the NETCONF over SSH feature of Cisco IOS XE Software could allow a low-privileged, authenticated, remote attacker to cause a denial of service condition (DoS) on an affected device. This vulnerability is due to insufficient resource management. An attacker could exploit this vulnerability by initiating a large number of NETCONF over SSH connections. A successful exploit could allow the attacker to exhaust resources, causing the device to reload and resulting in a DoS condition on an affected device. Cisco IOS XE The software has a resource exhaustion vulnerability.Service operation interruption (DoS) It may be in a state

Trust: 1.8

sources: NVD: CVE-2022-20692 // JVNDB: JVNDB-2022-009707 // VULHUB: VHN-405245 // VULMON: CVE-2022-20692

AFFECTED PRODUCTS

vendor:ciscomodel:ios xescope:eqversion:16.3.5

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vendor:ciscomodel:ios xescope:eqversion:16.7.1b

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vendor:ciscomodel:ios xescope:eqversion:16.8.3

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vendor:ciscomodel:ios xescope:eqversion:16.4.1

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vendor:ciscomodel:ios xescope:eqversion:16.12.1y

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vendor:ciscomodel:ios xescope:eqversion:16.12.2

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vendor:ciscomodel:ios xescope:eqversion:17.2.1a

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vendor:ciscomodel:ios xescope:eqversion:16.9.1a

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vendor:ciscomodel:ios xescope:eqversion:16.6.7a

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vendor:ciscomodel:ios xescope:eqversion:16.6.5

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vendor:ciscomodel:ios xescope:eqversion:16.5.3

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vendor:ciscomodel:ios xescope:eqversion:16.6.4a

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vendor:ciscomodel:ios xescope:eqversion:16.9.3a

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vendor:ciscomodel:ios xescope:eqversion:16.10.1s

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vendor:ciscomodel:ios xescope:eqversion:16.11.2

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vendor:ciscomodel:ios xescope:eqversion:16.12.1s

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vendor:ciscomodel:ios xescope:eqversion:17.1.1s

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vendor:ciscomodel:ios xescope:eqversion:16.6.4s

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vendor:ciscomodel:ios xescope:eqversion:16.6.6

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vendor:ciscomodel:ios xescope:eqversion:16.10.1

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vendor:ciscomodel:ios xescope:eqversion:3.15.1xbs

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vendor:ciscomodel:ios xescope:eqversion:16.5.2

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vendor:ciscomodel:ios xescope:eqversion:16.9.3s

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vendor:ciscomodel:ios xescope:eqversion:16.8.1a

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vendor:ciscomodel:ios xescope:eqversion:16.10.2

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vendor:ciscomodel:ios xescope:eqversion:16.11.1s

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vendor:ciscomodel:ios xescope:eqversion:16.8.1e

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vendor:ciscomodel:ios xescope:eqversion:16.6.10

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vendor:ciscomodel:ios xescope:eqversion:16.6.5b

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vendor:ciscomodel:ios xescope:eqversion:16.8.1b

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vendor:ciscomodel:ios xescope:eqversion:16.3.11

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vendor:ciscomodel:ios xescope:eqversion:16.9.1

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vendor:ciscomodel:ios xescope:eqversion:16.9.1b

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vendor:ciscomodel:ios xescope:eqversion:16.9.1c

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vendor:ciscomodel:ios xescope:eqversion:16.12.1c

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vendor:ciscomodel:ios xescope:eqversion:16.12.2s

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vendor:ciscomodel:ios xescope:eqversion:16.12.5b

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vendor:ciscomodel:ios xescope:eqversion:16.6.1

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vendor:ciscomodel:ios xescope:eqversion:16.11.1b

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vendor:ciscomodel:ios xescope:eqversion:16.10.1d

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vendor:ciscomodel:ios xescope:eqversion:16.7.2

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vendor:ciscomodel:ios xescope:eqversion:17.2.3

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vendor:ciscomodel:ios xescope:eqversion:16.12.1t

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vendor:ciscomodel:ios xescope:eqversion:16.10.1c

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vendor:ciscomodel:ios xescope:eqversion:16.7.1a

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vendor:ciscomodel:ios xescope:eqversion:17.1.2

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vendor:ciscomodel:ios xescope:eqversion:16.12.2a

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vendor:ciscomodel:ios xescope:eqversion:16.8.1c

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vendor:ciscomodel:ios xescope:eqversion:16.3.5b

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vendor:ciscomodel:ios xescope:eqversion:16.3.6

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vendor:ciscomodel:ios xescope:eqversion:17.2.2

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vendor:ciscomodel:ios xescope:eqversion:16.5.1

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vendor:ciscomodel:ios xescope:eqversion:16.3.2

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vendor:ciscomodel:ios xescope:eqversion:16.3.3

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vendor:ciscomodel:ios xescope:eqversion:16.5.1a

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vendor:ciscomodel:ios xescope:eqversion:16.6.9

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vendor:ciscomodel:ios xescope:eqversion:16.12.1z1

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vendor:ciscomodel:ios xescope:eqversion:16.9.2

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vendor:ciscomodel:ios xescope:eqversion:16.10.3

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vendor:ciscomodel:ios xescope:eqversion:16.12.5

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vendor:ciscomodel:ios xescope:eqversion:16.12.3s

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vendor:ciscomodel:ios xescope:eqversion:16.7.4

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vendor:ciscomodel:ios xescope:eqversion:16.8.2

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vendor:ciscomodel:ios xescope:eqversion:16.4.2

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vendor:ciscomodel:ios xescope:eqversion:16.4.3

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vendor:ciscomodel:ios xescope:eqversion:16.10.1f

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vendor:ciscomodel:ios xescope:eqversion:16.9.2a

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vendor:ciscomodel:ios xescope:eqversion:16.6.5a

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vendor:ciscomodel:ios xescope:eqversion:16.3.10

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vendor:ciscomodel:ios xescope:eqversion:16.7.3

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vendor:ciscomodel:ios xescope:eqversion:16.12.3a

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vendor:ciscomodel:ios xescope:eqversion:16.9.4

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vendor:ciscomodel:ios xescope:eqversion:17.1.1

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vendor:ciscomodel:ios xescope:eqversion:16.5.1b

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vendor:ciscomodel:ios xescope:eqversion:16.9.1s

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vendor:ciscomodel:ios xescope:eqversion:16.10.1a

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vendor:ciscomodel:ios xescope:eqversion:16.11.1a

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vendor:ciscomodel:ios xescope:eqversion:16.3.4

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vendor:ciscomodel:ios xescope:eqversion:16.9.4c

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vendor:ciscomodel:ios xescope:eqversion:16.6.3

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vendor:ciscomodel:ios xescope:eqversion:17.2.1

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vendor:ciscomodel:ios xescope:eqversion:16.6.4

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vendor:ciscomodel:ios xescope:eqversion:16.12.1w

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vendor:ciscomodel:ios xescope:eqversion:16.3.7

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vendor:ciscomodel:ios xescope:eqversion:17.2.1v

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vendor:ciscomodel:ios xescope:eqversion:16.9.6

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vendor:ciscomodel:ios xescope:eqversion:16.12.1x

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vendor:ciscomodel:ios xescope:eqversion:16.12.1

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vendor:ciscomodel:ios xescope:eqversion:16.11.1

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vendor:ciscomodel:ios xescope:eqversion:16.6.2

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vendor:ciscomodel:ios xescope:eqversion:17.2.1r

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vendor:ciscomodel:ios xescope:eqversion:16.7.1

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vendor:ciscomodel:ios xescope:eqversion:16.9.7

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vendor:ciscomodel:ios xescope:eqversion:16.3.1

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vendor:ciscomodel:ios xescope:eqversion:16.12.5a

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vendor:ciscomodel:ios xescope:eqversion:16.12.1z2

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vendor:ciscomodel:ios xescope:eqversion:16.12.1z

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vendor:ciscomodel:ios xescope:eqversion:16.12.2t

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vendor:ciscomodel:ios xescope:eqversion:16.3.9

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vendor:ciscomodel:ios xescope:eqversion:16.9.2s

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vendor:ciscomodel:ios xescope:eqversion:16.10.1b

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vendor:ciscomodel:ios xescope:eqversion:16.9.5

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vendor:ciscomodel:ios xescope:eqversion:17.1.1a

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vendor:ciscomodel:ios xescope:eqversion:16.9.1d

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vendor:ciscomodel:ios xescope:eqversion:16.9.8

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vendor:ciscomodel:ios xescope:eqversion:16.6.7

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vendor:ciscomodel:ios xescope:eqversion:16.3.8

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vendor:ciscomodel:ios xescope:eqversion:16.8.1s

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vendor:ciscomodel:ios xescope:eqversion:16.9.3h

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vendor:ciscomodel:ios xescope:eqversion:3.15.2xbs

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vendor:ciscomodel:ios xescope:eqversion:16.12.1a

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vendor:ciscomodel:ios xescope:eqversion:17.1.3

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vendor:ciscomodel:ios xescope:eqversion:16.12.4a

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vendor:ciscomodel:ios xescope:eqversion:16.9.3

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vendor:ciscomodel:ios xescope:eqversion:17.1.1t

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vendor:ciscomodel:ios xescope:eqversion:16.8.1

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vendor:ciscomodel:ios xescope:eqversion:16.10.1e

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vendor:ciscomodel:ios xescope:eqversion:16.12.4

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vendor:ciscomodel:ios xescope:eqversion:16.10.1g

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vendor:ciscomodel:ios xescope:eqversion:16.11.1c

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vendor:ciscomodel:ios xescope:eqversion:16.8.1d

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vendor:ciscomodel:ios xescope:eqversion:16.12.6

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vendor:ciscomodel:ios xescope:eqversion:16.6.8

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vendor:ciscomodel:ios xescope:eqversion:16.12.3

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vendor:ciscomodel:ios xescope:eqversion:16.9.5f

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vendor:ciscomodel:ios xescope:eqversion:16.3.1a

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vendor:ciscomodel:ios xescope:eqversion:16.12.6a

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vendor:シスコシステムズmodel:cisco ios xescope:eqversion: -

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vendor:シスコシステムズmodel:cisco ios xescope: - version: -

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sources: JVNDB: JVNDB-2022-009707 // NVD: CVE-2022-20692

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2022-20692
value: MEDIUM

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ykramarz@cisco.com: CVE-2022-20692
value: HIGH

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NVD: CVE-2022-20692
value: MEDIUM

Trust: 0.8

CNNVD: CNNVD-202204-3360
value: MEDIUM

Trust: 0.6

VULHUB: VHN-405245
value: MEDIUM

Trust: 0.1

VULMON: CVE-2022-20692
value: MEDIUM

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nvd@nist.gov: CVE-2022-20692
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:L/AU:S/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

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VULHUB: VHN-405245
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:L/AU:S/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2022-20692
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 3.6
version: 3.1

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ykramarz@cisco.com: CVE-2022-20692
baseSeverity: HIGH
baseScore: 7.7
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: CHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 3.1
impactScore: 4.0
version: 3.1

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NVD: CVE-2022-20692
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-405245 // VULMON: CVE-2022-20692 // JVNDB: JVNDB-2022-009707 // CNNVD: CNNVD-202204-3360 // NVD: CVE-2022-20692 // NVD: CVE-2022-20692

PROBLEMTYPE DATA

problemtype:CWE-400

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problemtype:Resource exhaustion (CWE-400) [NVD evaluation ]

Trust: 0.8

sources: VULHUB: VHN-405245 // JVNDB: JVNDB-2022-009707 // NVD: CVE-2022-20692

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202204-3360

TYPE

resource management error

Trust: 0.6

sources: CNNVD: CNNVD-202204-3360

PATCH

title:cisco-sa-ncossh-dos-ZAkfOdq8url:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ncossh-dos-ZAkfOdq8

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title:Cisco: Cisco IOS XE Software NETCONF Over SSH Denial of Service Vulnerabilityurl:https://vulmon.com/vendoradvisory?qidtp=cisco_security_advisories_and_alerts_ciscoproducts&qid=cisco-sa-ncossh-dos-ZAkfOdq8

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title:CVE-2022-XXXXurl:https://github.com/AlphabugX/CVE-2022-23305

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title:CVE-2022-XXXXurl:https://github.com/AlphabugX/CVE-2022-RCE

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sources: VULMON: CVE-2022-20692 // JVNDB: JVNDB-2022-009707

EXTERNAL IDS

db:NVDid:CVE-2022-20692

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db:JVNDBid:JVNDB-2022-009707

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db:CS-HELPid:SB2022041417

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db:CNNVDid:CNNVD-202204-3360

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db:CNVDid:CNVD-2022-55142

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db:VULHUBid:VHN-405245

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db:VULMONid:CVE-2022-20692

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sources: VULHUB: VHN-405245 // VULMON: CVE-2022-20692 // JVNDB: JVNDB-2022-009707 // CNNVD: CNNVD-202204-3360 // NVD: CVE-2022-20692

REFERENCES

url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-ncossh-dos-zakfodq8

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url:https://nvd.nist.gov/vuln/detail/cve-2022-20692

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url:https://cxsecurity.com/cveshow/cve-2022-20692/

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url:https://www.cybersecurity-help.cz/vdb/sb2022041417

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url:https://vigilance.fr/vulnerability/cisco-ios-xe-denial-of-service-via-netconf-over-ssh-38060

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url:https://cwe.mitre.org/data/definitions/400.html

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url:https://nvd.nist.gov

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url:https://github.com/alphabugx/cve-2022-23305

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sources: VULHUB: VHN-405245 // VULMON: CVE-2022-20692 // JVNDB: JVNDB-2022-009707 // CNNVD: CNNVD-202204-3360 // NVD: CVE-2022-20692

SOURCES

db:VULHUBid:VHN-405245
db:VULMONid:CVE-2022-20692
db:JVNDBid:JVNDB-2022-009707
db:CNNVDid:CNNVD-202204-3360
db:NVDid:CVE-2022-20692

LAST UPDATE DATE

2024-08-14T15:01:04.965000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-405245date:2022-04-27T00:00:00
db:VULMONid:CVE-2022-20692date:2023-11-07T00:00:00
db:JVNDBid:JVNDB-2022-009707date:2023-08-08T01:17:00
db:CNNVDid:CNNVD-202204-3360date:2022-04-28T00:00:00
db:NVDid:CVE-2022-20692date:2023-11-07T03:42:38.307

SOURCES RELEASE DATE

db:VULHUBid:VHN-405245date:2022-04-15T00:00:00
db:VULMONid:CVE-2022-20692date:2022-04-15T00:00:00
db:JVNDBid:JVNDB-2022-009707date:2023-08-08T00:00:00
db:CNNVDid:CNNVD-202204-3360date:2022-04-13T00:00:00
db:NVDid:CVE-2022-20692date:2022-04-15T15:15:12.770