PT-2025-11096 · Cisco · Cisco Ios Xr

Alessandro Ruggieri + 1 · Published 2025-03-12 · Updated 2025-07-31 · CVE-2025-20138

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Cisco IOS XR Software (affected versions not specified)

Description A vulnerability exists in the Command Line Interface (CLI) of Cisco IOS XR Software due to insufficient validation of user-supplied arguments passed to specific CLI commands. This allows an authenticated, local attacker with low privileges to execute arbitrary commands as root on the underlying operating system. Successful exploitation could lead to privilege escalation and complete system compromise.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

LPE

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

BDU:2025-04306

CVE-2025-20138

Affected Products

Cisco Ios Xr

References · 22

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-priv-esc-GFQjxvOF · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-04306 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-20138 · Security Note
• https://osv.dev/vulnerability/CVE-2025-20138 · Vendor Advisory
• https://twitter.com/TheSecMaster1/status/1902220428053283188 · Twitter Post
• https://twitter.com/Dinosn/status/1900032407362797815 · Twitter Post
• https://t.me/cvedetector/20163 · Telegram Post
• https://twitter.com/TheSecMaster1/status/1901854195516645794 · Twitter Post
• https://twitter.com/IM_SAJJAD_/status/1900200627084681378 · Twitter Post
• https://twitter.com/CVEnew/status/1899894899685941482 · Twitter Post
• https://t.me/cvetracker/18991 · Telegram Post
• https://twitter.com/gbhackers_news/status/1900055384460845388 · Twitter Post
• https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp · Note
• https://t.me/pentestingnews/57814 · Telegram Post
• https://twitter.com/TweetThreatNews/status/1900291664398143799 · Twitter Post