CVE-2008-4128
Cisco IOS Cross-Site Request Forgery Vulnerability
CVSS
4.3
Medium
EPSS
23.9%
p98
KEV
YES
Jul 13, 2026
Exploit Today
79
0-100
Published: Sep 18, 2008 · Last modified: Jul 14, 2026 · CWE-352
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
No
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
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.
- jbrownsec.blogspot.comhttp://jbrownsec.blogspot.com/2008/09/cisco-0day-released.html
- www.securityfocus.comhttp://www.securityfocus.com/bid/31218
- exchange.xforce.ibmcloud.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/45226
- www.exploit-db.comhttps://www.exploit-db.com/exploits/6476
- www.exploit-db.comhttps://www.exploit-db.com/exploits/6477
- jbrownsec.blogspot.comhttp://jbrownsec.blogspot.com/2008/09/cisco-0day-released.html
- www.securityfocus.comhttp://www.securityfocus.com/bid/31218
- exchange.xforce.ibmcloud.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/45226
- www.exploit-db.comhttps://www.exploit-db.com/exploits/6476
- www.exploit-db.comhttps://www.exploit-db.com/exploits/6477
- media.defense.govhttps://media.defense.gov/2026/Jul/09/2003959498/-1/-1/1/CSA_IMPROVE_ROUTER_HYGIENE.PDF
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2008-4128
- www.cisco.comhttps://www.cisco.com/c/en/us/obsolete/ios-nx-os-software/cisco-ios-software-releases-12-4-mainline.html