CVE WatchSep 24, 2026

CVE-2008-4128

Cisco IOS Cross-Site Request Forgery Vulnerability

CVSS

8.1

High

EPSS

33.9%

p98

KEV

YES

Jul 13, 2026

Exploit Today

0-100

Published: Sep 18, 2008 · Last modified: Sep 24, 2026 · CWE-352

EPSS · 30d

33.9%EPSS · 30 days33.9%

2026-09-162026-10-14

KEV catalog record

Product

Cisco / IOS

Vulnerability

Cisco IOS Cross-Site Request Forgery Vulnerability

Added to KEV

Jul 13, 2026

Remediate by

Jul 16, 2026

Known ransomware use

Summary description

Cisco IOS 12.4 contains multiple cross-site forgery vulnerabilities that allows remote attackers to execute arbitrary commands via (1) a certain "show privilege" command to the /level/15/exec/- URI, and (2) a certain "alias exec" command to the /level/15/exec/-/configure/http URI.

Required action

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Notes

https://www.cisco.com/c/en/us/obsolete/ios-nx-os-software/cisco-ios-software-releases-12-4-mainline.html ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2008-4128

Technical description

Multiple cross-site request forgery (CSRF) vulnerabilities in the HTTP Administration component in Cisco IOS 12.4 on the 871 Integrated Services Router allow remote attackers to execute arbitrary commands via (1) a certain "show privilege" command to the /level/15/exec/- URI, and (2) a certain "alias exec" command to the /level/15/exec/-/configure/http URI. NOTE: some of these details are obtained from third party information.

Official references

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