CVE-2021-34696
Medium
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.
SeverityMedium
CVSS5.8
Exploit probability63. percentile1%
Product
Cisco Ios Xe
PublishedSep 23, 2021
First seenSep 23, 2021
Weakness typeCWE-284Improper access control
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco ios_xe | v ≤ 17.3.2 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.