Vulnerability Details : CVE-2025-20138
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.
Products affected by CVE-2025-20138
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Exploit prediction scoring system (EPSS) score for CVE-2025-20138
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 15 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2025-20138
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
8.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
N/A
|
N/A
|
Cisco:cisco-sa-iosxr-priv-esc-GFQjxvOF | 2025-03-12 |
|
8.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
2.0
|
6.0
|
Cisco Systems, Inc. | 2025-03-12 |
CWE ids for CVE-2025-20138
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The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.Assigned by: psirt@cisco.com (Primary)
References for CVE-2025-20138
-
https://blog.apnic.net/2024/09/02/crafting-endless-as-paths-in-bgp/
Crafting endless AS-PATHS in BGP | APNIC Blog
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https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-priv-esc-GFQjxvOF
Cisco IOS XR Software CLI Privilege Escalation Vulnerability
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