Cisco IOS Cross-Site Request Forgery Vulnerability
Medium CVSS 4.3 Listed in CISA KEV
Summary
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.
In-depth triage · Auto channel
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- Cisco:IOS
- :
Lint boundary warnings (4)
The following non-blocking warnings were raised during the lint phase of this triage (e.g. reference URLs not yet on the allowlist). They do not affect entry usability and are disclosed for transparency (see DR-002).
-
REF_URL_NOT_ALLOWLISTEDurl not in allowlist: http://jbrownsec.blogspot.com/2008/09/cisco-0day-released.html -
REF_URL_NOT_ALLOWLISTEDurl not in allowlist: http://www.securityfocus.com/bid/31218 -
REF_URL_NOT_ALLOWLISTEDurl not in allowlist: https://exchange.xforce.ibmcloud.com/vulnerabilities/45226 -
REF_URL_NOT_ALLOWLISTEDurl not in allowlist: https://media.defense.gov/2026/Jul/09/2003959498/-1/-1/1/CSA_IMPROVE_ROUTER_HYGIENE.PDF
Sources
- CISA KEV DATABASE
- NVD DATABASE
Original Links
- https://nvd.nist.gov/vuln/detail/CVE-2008-4128 advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog kev
- http://jbrownsec.blogspot.com/2008/09/cisco-0day-released.html Broken Link
- http://www.securityfocus.com/bid/31218 Broken Link
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45226 Third Party Advisory
- https://www.exploit-db.com/exploits/6476 Exploit
- https://www.exploit-db.com/exploits/6477 Exploit
- https://media.defense.gov/2026/Jul/09/2003959498/-1/-1/1/CSA_IMPROVE_ROUTER_HYGIENE.PDF Third Party Advisory
- 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
- https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk reference
- https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk reference
Timeline
- kev_added CISA KEV
- nvd_ingest NVD
- kev_ingest CISA KEV