CVEvulnerability
CVE-2008-4128
CISA Known Exploited Vulnerability
Cisco IOS Cross-Site Request Forgery Vulnerability — Cisco IOS
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.
- Added to KEV
- 2026-07-13
- Remediation due
- 2026-07-16
- Ransomware use
- Unknown
- 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
- Status
- Analyzed
- Published
- 2008-09-18
- Last modified
- 2026-09-24
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
- CVSS 2.0 ([email protected])
- 9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-352
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.
Affected configurations
• cisco ios 12.4
Related
Weakness · CWE (1)
- CWE-352 Cross-Site Request Forgery weakness
References
- http://jbrownsec.blogspot.com/2008/09/cisco-0day-released.html Broken Link
- http://www.securityfocus.com/bid/31218 Exploit, Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45226 Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/6476 Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/6477 Exploit, Third Party Advisory, VDB Entry
- http://jbrownsec.blogspot.com/2008/09/cisco-0day-released.html Broken Link
- http://www.securityfocus.com/bid/31218 Exploit, Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45226 Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/6476 Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/6477 Exploit, Third Party Advisory, VDB Entry
- https://media.defense.gov/2026/Jul/09/2003959498/-1/-1/1/CSA_IMPROVE_ROUTER_HYGIENE.PDF Third Party Advisory, US Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2008-4128 US Government Resource
- https://www.cisco.com/c/en/us/obsolete/ios-nx-os-software/cisco-ios-software-releases-12-4-mainline.html Product