Improper access control in Cisco Systems, Inc products - CVE-2021-34696

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Main Vulnerability Database Vulnerabilities #VU56832

Improper access control in Cisco Systems, Inc products - CVE-2021-34696

Published: September 23, 2021


Vulnerability identifier: #VU56832
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-34696
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
ASR 920 Series Aggregation Services Router
Cisco ASR 9000 Series Aggregation Services Routers
Cisco IOS XE
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to incorrect programming of hardware when an ACL is configured using a method other than the configuration CLI. A remote attacker can bypass an ACL on the affected device.


Remediation

Install updates from vendor's website.

External links