CVE-2025-20138

HIGH EPSS 11.0%
Published Mar 12, 20251y ago · Modified Jun 17, 20261w ago
8.8 CVSS 3.1
High
Find Similar
Published Mar 12, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to execute arbitrary commands as root on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of user arguments that are passed to specific CLI commands. An attacker with a low-privileged account could exploit this vulnerability by using crafted commands at the prompt. A successful exploit could allow the attacker to elevate privileges to root and execute arbitrary commands.

CVSS Details

Base Score
8.8
Exploitability
2.0
Impact
6.0
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
11.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-78 OS Command Injection Injection

Affected Products 2

VendorProductVersionRange
ciscoios_xr* <24.2.21
ciscoios_xr*≥24.3  –  <24.4

References 2

  • blog.apnic.net https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/
    Technical Description
  • sec.cloudapps.cisco.com https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-priv-esc-GFQjxvOF
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.