CVE-2008-4128: Cisco IOS Cross-Site Request Forgery Vulnerability
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.
Published Sep 18, 2008 · Updated Sep 24, 2026
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.
Advisory details
From the National Vulnerability Database. This product uses the NVD API but is not endorsed or certified by the NVD.
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.
References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45226
- https://www.exploit-db.com/exploits/6476
- https://www.exploit-db.com/exploits/6477
- https://media.defense.gov/2026/Jul/09/2003959498/-1/-1/1/CSA_IMPROVE_ROUTER_HYGIENE.PDF
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2008-4128
- https://www.cisco.com/c/en/us/obsolete/ios-nx-os-software/cisco-ios-software-releases-12-4-mainline.html
How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology
More Cisco vulnerabilities
All Cisco entriesCVE-2026-76519
Cisco Secure Email Gateway Relative Path Traversal Vulnerability
critical9.8ExploitedOct 14, 2026CVE-2026-76504
Cisco Catalyst SD-WAN Manager Hex Encoding Vulnerability
critical9.8ExploitedSep 30, 2026CVE-2026-76460
Cisco Identity Services Engine Incorrect Use of Privileged APIs Vulnerability
critical10.0ExploitedSep 16, 2026CVE-2026-76461
Cisco Secure Email Gateway SQL Injection Vulnerability
critical9.8ExploitedSep 14, 2026CVE-2026-20349
Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Heap Inspection Vulnerability
high8.6ExploitedAug 11, 2026CVE-2026-20316
Cisco Secure Firewall Management Center Use of Hard-coded Password Vulnerability
medium5.3ExploitedJul 29, 2026
