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ID

VAR-202103-0772


CVE

CVE-2021-1434


TITLE

Cisco IOS XE SD-WAN  Vulnerability in externally accessible files or directories in

Trust: 0.8

sources: JVNDB: JVNDB-2021-004765

DESCRIPTION

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying file system. This vulnerability is due to insufficient validation of the parameters of a specific CLI command. An attacker could exploit this vulnerability by issuing that command with specific parameters. A successful exploit could allow the attacker to overwrite the content of any arbitrary file that resides on the underlying host file system. Cisco IOS XE SD-WAN Software is a software for network management (software-defined networking) applied to the Cisco IOS XE network operating system from Cisco

Trust: 1.8

sources: NVD: CVE-2021-1434 // JVNDB: JVNDB-2021-004765 // VULHUB: VHN-374488 // VULMON: CVE-2021-1434

AFFECTED PRODUCTS

vendor:ciscomodel:ios xescope:eqversion:16.12.1z

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vendor:ciscomodel:ios xescope:eqversion:16.11.1b

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vendor:ciscomodel:ios xescope:eqversion:16.12.2

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vendor:ciscomodel:ios xescope:eqversion:16.12.2t

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vendor:ciscomodel:ios xescope:eqversion:16.12.1y

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vendor:ciscomodel:ios xescope:eqversion:16.12.3a

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vendor:ciscomodel:ios xescope:eqversion:17.2.1a

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vendor:ciscomodel:ios xescope:eqversion:16.12.1t

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vendor:ciscomodel:ios xescope:eqversion:16.12.1za

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vendor:ciscomodel:ios xescope:eqversion:16.12.1s

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vendor:ciscomodel:ios xescope:eqversion:16.11.2

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vendor:ciscomodel:ios xescope:eqversion:16.12.2a

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vendor:ciscomodel:ios xescope:eqversion:16.11.1a

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vendor:ciscomodel:ios xescope:eqversion:16.12.1a

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vendor:ciscomodel:ios xescope:eqversion:16.12.1w

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vendor:ciscomodel:ios xescope:eqversion:17.2.1v

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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:17.2.1r

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vendor:ciscomodel:ios xescope:eqversion:16.11.1c

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vendor:ciscomodel:ios xescope:eqversion:17.2.1

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vendor:ciscomodel:ios xescope:eqversion:16.11.1s

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vendor:ciscomodel:ios xescope:eqversion:16.12.3

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vendor:ciscomodel:ios xescope:eqversion:16.12.3s

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

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

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sources: JVNDB: JVNDB-2021-004765 // NVD: CVE-2021-1434

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-1434
value: MEDIUM

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ykramarz@cisco.com: CVE-2021-1434
value: MEDIUM

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NVD: CVE-2021-1434
value: MEDIUM

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CNNVD: CNNVD-202103-1398
value: MEDIUM

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VULHUB: VHN-374488
value: MEDIUM

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VULMON: CVE-2021-1434
value: MEDIUM

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nvd@nist.gov: CVE-2021-1434
severity: MEDIUM
baseScore: 6.6
vectorString: AV:L/AC:L/AU:N/C:N/I:C/A:C
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 3.9
impactScore: 9.2
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

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VULHUB: VHN-374488
severity: MEDIUM
baseScore: 6.6
vectorString: AV:L/AC:L/AU:N/C:N/I:C/A:C
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 3.9
impactScore: 9.2
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2021-1434
baseSeverity: MEDIUM
baseScore: 6.0
vectorString: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 0.8
impactScore: 5.2
version: 3.1

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ykramarz@cisco.com: CVE-2021-1434
baseSeverity: MEDIUM
baseScore: 4.4
vectorString: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: HIGH
availabilityImpact: NONE
exploitabilityScore: 0.8
impactScore: 3.6
version: 3.1

Trust: 1.0

NVD: CVE-2021-1434
baseSeverity: MEDIUM
baseScore: 6.0
vectorString: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-374488 // VULMON: CVE-2021-1434 // JVNDB: JVNDB-2021-004765 // CNNVD: CNNVD-202103-1398 // NVD: CVE-2021-1434 // NVD: CVE-2021-1434

PROBLEMTYPE DATA

problemtype:CWE-552

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problemtype:Externally accessible file or directory (CWE-552) [ Other ]

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sources: VULHUB: VHN-374488 // JVNDB: JVNDB-2021-004765 // NVD: CVE-2021-1434

THREAT TYPE

local

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sources: CNNVD: CNNVD-202103-1398

TYPE

other

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sources: CNNVD: CNNVD-202103-1398

PATCH

title:cisco-sa-iosxe-arbfile-FUxskKDEurl:https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-arbfile-FUxskKDE

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title:Cisco IOS XE SD-WAN Software Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=145050

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title:Cisco: Cisco IOS XE SD-WAN Software Arbitrary File Corruption Vulnerabilityurl:https://vulmon.com/vendoradvisory?qidtp=cisco_security_advisories_and_alerts_ciscoproducts&qid=cisco-sa-iosxe-arbfile-FUxskKDE

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sources: VULMON: CVE-2021-1434 // JVNDB: JVNDB-2021-004765 // CNNVD: CNNVD-202103-1398

EXTERNAL IDS

db:NVDid:CVE-2021-1434

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db:JVNDBid:JVNDB-2021-004765

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db:CNNVDid:CNNVD-202103-1398

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db:CNVDid:CNVD-2021-24468

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db:VULHUBid:VHN-374488

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db:VULMONid:CVE-2021-1434

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sources: VULHUB: VHN-374488 // VULMON: CVE-2021-1434 // JVNDB: JVNDB-2021-004765 // CNNVD: CNNVD-202103-1398 // NVD: CVE-2021-1434

REFERENCES

url:https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-iosxe-arbfile-fuxskkde

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url:https://nvd.nist.gov/vuln/detail/cve-2021-1434

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url:https://vigilance.fr/vulnerability/cisco-ios-ios-xe-multiple-vulnerabilities-34940

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url:https://cwe.mitre.org/data/definitions/552.html

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url:https://nvd.nist.gov

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url:https://exchange.xforce.ibmcloud.com/vulnerabilities/198701

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sources: VULHUB: VHN-374488 // VULMON: CVE-2021-1434 // JVNDB: JVNDB-2021-004765 // CNNVD: CNNVD-202103-1398 // NVD: CVE-2021-1434

SOURCES

db:VULHUBid:VHN-374488
db:VULMONid:CVE-2021-1434
db:JVNDBid:JVNDB-2021-004765
db:CNNVDid:CNNVD-202103-1398
db:NVDid:CVE-2021-1434

LAST UPDATE DATE

2024-08-14T14:38:04.285000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-374488date:2021-03-29T00:00:00
db:VULMONid:CVE-2021-1434date:2021-03-29T00:00:00
db:JVNDBid:JVNDB-2021-004765date:2021-11-29T09:16:00
db:CNNVDid:CNNVD-202103-1398date:2021-03-30T00:00:00
db:NVDid:CVE-2021-1434date:2023-11-07T03:28:18.357

SOURCES RELEASE DATE

db:VULHUBid:VHN-374488date:2021-03-24T00:00:00
db:VULMONid:CVE-2021-1434date:2021-03-24T00:00:00
db:JVNDBid:JVNDB-2021-004765date:2021-11-29T00:00:00
db:CNNVDid:CNNVD-202103-1398date:2021-03-24T00:00:00
db:NVDid:CVE-2021-1434date:2021-03-24T20:15:14.667