CVE-2024-20320 is a privilege escalation vulnerability in the SSH client feature of Cisco IOS XR Software, affecting Cisco 8000 Series, NCS 540 Series, and NCS 5700 Series Routers. An authenticated, local attacker can exploit insufficient validation of SSH client CLI command arguments to elevate privileges to root. This vulnerability has a CVSS score of 7.8 (High), indicating a low attack complexity and high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion, though it has received limited media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7.2.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:7.2.1:*:*:*:*:*:*:* | ||
7.2.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:7.2.2:*:*:*:*:*:*:* | ||
7.3.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:7.3.1:*:*:*:*:*:*:* | ||
7.3.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:7.3.2:*:*:*:*:*:*:* | ||
7.3.3CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:7.3.3:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.