Description
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.
Published: 2021-09-23
Score: 5.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-21346 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.
History

Thu, 07 Nov 2024 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Cisco Asr 902 Asr 903 Asr 907 Asr 920-10sz-pd Asr 920-10sz-pd R Asr 920-12cz-a Asr 920-12cz-a R Asr 920-12cz-d Asr 920-12cz-d R Asr 920-12sz-im Asr 920-12sz-im R Asr 920-24sz-im Asr 920-24sz-im R Asr 920-24sz-m Asr 920-24sz-m R Asr 920-24tz-m Asr 920-24tz-m R Asr 920-4sz-a Asr 920-4sz-a R Asr 920-4sz-d Asr 920-4sz-d R Asr 920u-12sz-im Ios Xe
cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2024-11-07T21:59:32.824Z

Reserved: 2021-06-15T00:00:00.000Z

Link: CVE-2021-34696

cve-icon Vulnrichment

Updated: 2024-08-04T00:19:47.976Z

cve-icon NVD

Status : Modified

Published: 2021-09-23T03:15:15.633

Modified: 2024-11-21T06:10:58.117

Link: CVE-2021-34696

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses