8.8

CVE-2025-20138: cisco cisco ios xr software OS Command Injection

CVSS: 8.8v3.1HighAnalyzed
Published 12-03-2025Last modified 26-02-2026
Open JSON

Vulnerability summary

CVE-2025-20138 is a high (CVSS 8.8) OS Command Injection vulnerability in cisco cisco ios xr software. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.23%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-03-2025
    PublishedVulnerability first disclosed.
  2. 26-02-2026
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

+0.01 pp

From 0.23% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.23%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco2 products
  • cisco ios xr software6.5.3 | 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
  • ios_xr< 24.2.21 | ≥ 24.3, < 24.4

1 vendor · 2 products

References

2 links