CVE-2025-20138
Cisco IOS XR Software CLI Privilege Escalation Vulnerability
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-78 |
| Vendor | cisco |
| Product | cisco ios xr software |
| Ecosystems | |
| Industries | NetworkingTelecommunications |
| Published | Mar 12, 2025 |
| Last Updated | Feb 26, 2026 |
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CVSS v3 Breakdown
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
Affected Versions
Cisco / Cisco IOS XR Software
6.5.3 6.5.29 6.5.1 6.6.1 6.5.2 6.5.92 6.5.15 6.6.2 7.0.1 6.6.25 6.5.26 6.6.11 6.5.25 6.5.28 6.5.93 6.6.12 6.5.90 7.0.0 7.1.1 7.0.90 6.6.3 7.0.2 7.1.15 7.2.0 7.2.1 7.1.2 7.0.11 7.0.12 6.7.2 7.0.14 7.1.25 6.6.4 7.2.12 7.3.1 7.1.3 7.4.1 7.2.2 6.7.4 6.5.31 7.3.15 7.3.16 7.4.15 6.5.32 7.3.2 7.5.1 7.4.16 7.3.27 7.6.1 7.5.2 7.8.1 7.6.15 7.5.12 7.8.12 7.3.3 7.7.1 7.3.4 7.4.2 7.6.2 7.5.3 7.7.2 7.9.1 7.10.1 7.8.2 7.5.4 6.5.33 7.8.22 7.7.21 7.9.2 7.3.5 7.5.5 7.11.1 7.9.21 7.10.2 24.1.1 7.6.3 7.3.6 7.5.52 7.11.2 24.2.1 24.1.2 24.2.11 24.3.1 24.2.2 7.8.23 7.11.21 24.2.20 24.3.2 24.4.10 6.5.35 24.3.20