CVE-2025-20144 describes a medium-severity vulnerability in Cisco IOS XR Software's hybrid access control list (ACL) processing for IPv4 packets. An unauthenticated, remote attacker could bypass a configured ACL due to incorrect packet handling with a specific hybrid ACL configuration. This could allow unauthorized traffic through the affected device. The vulnerability has a CVSS score of 5.8 (Medium), indicating a network-based attack with low complexity and no user interaction required, leading to a low impact on integrity. Cisco has released software updates and workarounds are available. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
6.5.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:6.5.1:*:*:*:*:*:*:* | ||
6.5.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:6.5.2:*:*:*:*:*:*:* | ||
6.5.3CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:6.5.3:*:*:*:*:*:*:* | ||
6.5.92CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:6.5.92:*:*:*:*:*:*:* | ||
6.5.93CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:6.5.93:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.