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ID

VAR-202110-0618


CVE

CVE-2021-40122


TITLE

Cisco Meeting Server  Vulnerability in improper shutdown and release of resources in

Trust: 0.8

sources: JVNDB: JVNDB-2021-013937

DESCRIPTION

A vulnerability in an API of the Call Bridge feature of Cisco Meeting Server could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper handling of large series of message requests. An attacker could exploit this vulnerability by sending a series of messages to the vulnerable API. A successful exploit could allow the attacker to cause the affected device to reload, dropping all ongoing calls and resulting in a DoS condition. Cisco Meeting Server Contains vulnerabilities related to improper shutdown and release of resources.Service operation interruption (DoS) It may be in a state. Cisco Meeting Server (Acano Conferencing Server) is a set of conference server software including audio and video from Cisco

Trust: 1.8

sources: NVD: CVE-2021-40122 // JVNDB: JVNDB-2021-013937 // VULHUB: VHN-397801 // VULMON: CVE-2021-40122

AFFECTED PRODUCTS

vendor:ciscomodel:meeting serverscope:ltversion:3.2.3

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vendor:ciscomodel:meeting serverscope:lteversion:3.1

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vendor:ciscomodel:meeting serverscope:gteversion:3.2

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vendor:シスコシステムズmodel:cisco meeting serverscope: - version: -

Trust: 0.8

vendor:シスコシステムズmodel:cisco meeting serverscope:eqversion: -

Trust: 0.8

sources: JVNDB: JVNDB-2021-013937 // NVD: CVE-2021-40122

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-40122
value: HIGH

Trust: 1.0

ykramarz@cisco.com: CVE-2021-40122
value: MEDIUM

Trust: 1.0

NVD: CVE-2021-40122
value: HIGH

Trust: 0.8

CNNVD: CNNVD-202110-1495
value: HIGH

Trust: 0.6

VULHUB: VHN-397801
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-40122
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

VULHUB: VHN-397801
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2021-40122
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.1

Trust: 1.0

ykramarz@cisco.com: CVE-2021-40122
baseSeverity: MEDIUM
baseScore: 5.9
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 2.2
impactScore: 3.6
version: 3.1

Trust: 1.0

NVD: CVE-2021-40122
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-397801 // JVNDB: JVNDB-2021-013937 // CNNVD: CNNVD-202110-1495 // NVD: CVE-2021-40122 // NVD: CVE-2021-40122

PROBLEMTYPE DATA

problemtype:CWE-404

Trust: 1.1

problemtype:CWE-399

Trust: 1.0

problemtype:Improper shutdown and release of resources (CWE-404) [NVD evaluation ]

Trust: 0.8

sources: VULHUB: VHN-397801 // JVNDB: JVNDB-2021-013937 // NVD: CVE-2021-40122

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202110-1495

TYPE

resource management error

Trust: 0.6

sources: CNNVD: CNNVD-202110-1495

PATCH

title:cisco-sa-cms-LAHe8z5vurl:https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cms-LAHe8z5v

Trust: 0.8

title:Cisco Meeting Server Remediation of resource management error vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=168324

Trust: 0.6

title:Cisco: Cisco Meeting Server Call Bridge Denial of Service Vulnerabilityurl:https://vulmon.com/vendoradvisory?qidtp=cisco_security_advisories_and_alerts_ciscoproducts&qid=cisco-sa-cms-LAHe8z5v

Trust: 0.1

sources: VULMON: CVE-2021-40122 // JVNDB: JVNDB-2021-013937 // CNNVD: CNNVD-202110-1495

EXTERNAL IDS

db:NVDid:CVE-2021-40122

Trust: 3.4

db:JVNDBid:JVNDB-2021-013937

Trust: 0.8

db:CNNVDid:CNNVD-202110-1495

Trust: 0.7

db:AUSCERTid:ESB-2021.3507

Trust: 0.6

db:CS-HELPid:SB2021102134

Trust: 0.6

db:VULHUBid:VHN-397801

Trust: 0.1

db:VULMONid:CVE-2021-40122

Trust: 0.1

sources: VULHUB: VHN-397801 // VULMON: CVE-2021-40122 // JVNDB: JVNDB-2021-013937 // CNNVD: CNNVD-202110-1495 // NVD: CVE-2021-40122

REFERENCES

url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-cms-lahe8z5v

Trust: 2.5

url:https://nvd.nist.gov/vuln/detail/cve-2021-40122

Trust: 1.4

url:https://www.cybersecurity-help.cz/vdb/sb2021102134

Trust: 0.6

url:https://www.auscert.org.au/bulletins/esb-2021.3507

Trust: 0.6

url:https://nvd.nist.gov

Trust: 0.1

sources: VULHUB: VHN-397801 // VULMON: CVE-2021-40122 // JVNDB: JVNDB-2021-013937 // CNNVD: CNNVD-202110-1495 // NVD: CVE-2021-40122

SOURCES

db:VULHUBid:VHN-397801
db:VULMONid:CVE-2021-40122
db:JVNDBid:JVNDB-2021-013937
db:CNNVDid:CNNVD-202110-1495
db:NVDid:CVE-2021-40122

LAST UPDATE DATE

2024-08-14T15:01:18.352000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-397801date:2021-10-25T00:00:00
db:VULMONid:CVE-2021-40122date:2021-10-21T00:00:00
db:JVNDBid:JVNDB-2021-013937date:2022-09-30T01:21:00
db:CNNVDid:CNNVD-202110-1495date:2021-11-03T00:00:00
db:NVDid:CVE-2021-40122date:2023-11-07T03:38:30.170

SOURCES RELEASE DATE

db:VULHUBid:VHN-397801date:2021-10-21T00:00:00
db:VULMONid:CVE-2021-40122date:2021-10-21T00:00:00
db:JVNDBid:JVNDB-2021-013937date:2022-09-30T00:00:00
db:CNNVDid:CNNVD-202110-1495date:2021-10-20T00:00:00
db:NVDid:CVE-2021-40122date:2021-10-21T03:15:07.270