CVE-2008-4128
cisco ios
Published 18 Sept 2008 · updated 24 Sept 2026 · Analyzed
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 13 Jul 2026, with a remediation deadline of 16 Jul 2026 for US federal agencies.
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.
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.
References
- jbrownsec.blogspot.com/2008/09/cisco-0day-released.html · Broken Link
- www.securityfocus.com/bid/31218 · Exploit, Third Party Advisory, VDB Entry
- exchange.xforce.ibmcloud.com/vulnerabilities/45226 · Third Party Advisory, VDB Entry
- www.exploit-db.com/exploits/6476 · Exploit, Third Party Advisory, VDB Entry
- www.exploit-db.com/exploits/6477 · Exploit, Third Party Advisory, VDB Entry
- media.defense.gov/2026/Jul/09/2003959498/-1/-1/1/CSA_IMPROVE_ROUTER_HYGIENE.PDF · Third Party Advisory, US Government Resource
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2008-4128 · US Government Resource
- www.cisco.com/c/en/us/obsolete/ios-nx-os-software/cisco-ios-software-releases-12-4-mainline.html · Product