CVE-2021-34696
Cisco ASR 900 and ASR 920 Series Aggregation Services Routers Access Control List Bypass Vulnerability
- State
- Published
- Severity
- 5.8 Medium
- Published
- Sep 23, 2021
- Updated
- Nov 7, 2024
- Reserved
- Jun 15, 2021
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.8 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N | cisco |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Cisco IOS XE SoftwareCisco |
|
References
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