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CVE-2025-20338A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker with administrative privileges to execute…

Description

A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker with administrative privileges 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 could exploit this vulnerability by logging in to the device CLI with valid administrative (level 15) credentials and using crafted commands at the CLI prompt. A successful exploit could allow the attacker to execute arbitrary commands as root.

Timeline

  1. ID reserved

    By cisco

  2. · 12 months later

    Published

  3. · 14 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2025-20338, by who scored it
Scored byCVSSScoreVector
ciscoCNA (assigner)3.1Medium6.0CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
NVDNVD · Analyzed3.1Medium6.7CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.29% · top 78% of all CVEs (13 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.0.

Affected products

  • Cisco · Cisco IOS XE Software

    • affected 3.5.0E
    • affected 3.5.1E
    • affected 3.5.2E
    • affected 3.5.3E
    • affected 3.11.1S
    • affected 3.11.2S
    • affected 3.11.0S
    • affected 3.11.3S
    • affected 3.11.4S
    • affected 3.12.0S
    • affected 3.12.1S
    • affected 3.12.2S
    • affected 3.12.3S
    • affected 3.12.0aS
    • affected 3.12.4S
    • affected 3.13.0S
    • affected 3.13.1S
    • affected 3.13.2S
    • affected 3.13.3S
    • affected 3.13.4S
    • affected 3.13.5S
    • affected 3.13.2aS
    • affected 3.13.0aS
    • affected 3.13.5aS
    • affected 3.13.6S
    • affected 3.13.7S
    • affected 3.13.6aS
    • affected 3.13.7aS
    • affected 3.13.8S
    • affected 3.13.9S
    • affected 3.13.10S
    • affected 3.6.0E
    • affected 3.6.1E
    • affected 3.6.2aE
    • affected 3.6.2E
    • affected 3.6.3E
    • affected 3.6.4E
    • affected 3.6.5E
    • affected 3.6.6E
    • affected 3.6.5aE
    • and 334 more

What to do

Exploitation: The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2025-20338 badge
[![CVE-2025-20338](https://cveledger.app/badge/CVE-2025-20338.svg)](https://cveledger.app/cve/CVE-2025-20338)

Record last updated .