CVE-2021-34696

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  2. Vulnerabilities (CVE)
  3. CVE-2021-34696

5.8 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

A

vulnerability in the access control list (ACL) programming of Cisco ASR 900 and ASR 920 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to incorrect programming of hardware when an ACL is configured using a method other than the configuration CLI. An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to bypass an ACL on the affected device.

References
Link Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr900acl-UeEyCxkv Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr900acl-UeEyCxkv Vendor Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*
OR cpe:2.3:h:cisco:asr_902:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_903:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_907:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_920-10sz-pd:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_920-10sz-pd_r:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_920-12cz-a:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_920-12cz-a_r:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_920-12cz-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_920-12cz-d_r:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_920-12sz-im:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_920-12sz-im_r:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_920-24sz-im:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_920-24sz-im_r:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_920-24sz-m:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_920-24sz-m_r:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_920-24tz-m:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_920-24tz-m_r:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_920-4sz-a:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_920-4sz-a_r:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_920-4sz-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_920-4sz-d_r:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_920u-12sz-im:-:*:*:*:*:*:*:*
History

21 Nov 2024, 06:10

Type Values Removed Values Added
References () https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr900acl-UeEyCxkv - Vendor Advisory () https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asr900acl-UeEyCxkv - Vendor Advisory
Information

Published : 2021-09-23 03:15

Updated : 2024-11-21 06:10

NVD link : CVE-2021-34696

Mitre link : CVE-2021-34696

CVE.ORG link : CVE-2021-34696

JSON object : View

Products Affected

cisco

CWE
CWE-284

Improper Access Control

NVD-CWE-Other