CVE-2024-20320 - CVE House
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Status published High CVE-2024-20320

A vulnerability in the SSH client feature of Cisco IOS...

Vulnerability Description

A vulnerability in the SSH client feature of Cisco IOS XR Software for Cisco 8000 Series Routers and Cisco Network Convergence System (NCS) 540 Series and 5700 Series Routers could allow an authenticated, local attacker to elevate privileges on an affected device. This vulnerability is due to insufficient validation of arguments that are included with the SSH client CLI command. An attacker with low-privileged access to an affected device could exploit this vulnerability by issuing a crafted SSH client command to the CLI. A successful exploit could allow the attacker to elevate privileges to root on the affected device.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

Cisco IOS XR Software
Vulnerable Versions:
7.2.1, 7.2.2, 7.3.1, 7.3.15, 7.3.2, 7.3.3, 7.3.5, 7.4.1, 7.4.2, 7.5.1, 7.5.3, 7.5.2, 7.5.4, 7.5.5, 7.6.1, 7.6.2, 7.7.1, 7.7.2, 7.7.21, 7.8.1, 7.8.2, 7.9.1, 7.9.2, 7.9.21, 7.10.1

Timeline

Official Publish: March 13th, 2024
Last Modified: August 16th, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)