{"id":"CVE-2008-4128","published":"2008-09-18T20:00:00Z","modified":"2026-09-24T12:52:19Z","title":"Cisco IOS Cross-Site Request Forgery Vulnerability","vendor":"Cisco","product":"IOS","tier":"core","eol":null,"description":{"text":"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.","provenance":"source","from":"NVD"},"summary":{"text":"A cross-site request forgery flaw in the HTTP Administration component of Cisco IOS 12.4 on the 871 Integrated Services Router lets remote attackers execute arbitrary commands through the /level/15/exec/- URIs (via \"show privilege\" and \"alias exec\" commands). An attacker can exploit this over the network without authentication, but only if a logged-in administrator is tricked into visiting a malicious page or link.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T08:31:46Z"},"cvss":{"score":8.1,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","provenance":"source","from":"NVD"},"epss":{"score":0.33871,"percentile":0.98385,"date":"2026-10-28","provenance":"source"},"kev":{"dateAdded":"2026-07-13","dueDate":"2026-07-16","ransomware":false,"requiredAction":"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","provenance":"source"},"vulncheckKev":{"dateAdded":"2026-07-13","exploitedFirstSeen":"2026-07-13","ransomware":false,"evidence":[{"url":"https://media.defense.gov/2026/Jul/09/2003959498/-1/-1/0/CSA_IMPROVE_ROUTER_HYGIENE.PDF","date":"2026-07-13"},{"url":"https://previdian.com/CVE-2008-4128","date":"2026-07-13"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2026-07-13"},{"url":"https://www.vulncheck.com/blog/energetic-target-intel","date":"2026-07-14"},{"url":"https://www.recordedfuture.com/blog/july-2026-cve-landscape","date":"2026-08-07"}],"evidenceTotal":5,"provenance":"source"},"exploited":true,"otx":{"pulseCount":28,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-352","name":"Cross-Site Request Forgery"}],"references":[{"url":"http://jbrownsec.blogspot.com/2008/09/cisco-0day-released.html","tags":["Broken Link"]},{"url":"http://www.securityfocus.com/bid/31218","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/45226","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/6476","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/6477","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://jbrownsec.blogspot.com/2008/09/cisco-0day-released.html","tags":["Broken Link"]},{"url":"http://www.securityfocus.com/bid/31218","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/45226","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/6476","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/6477","tags":["Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://media.defense.gov/2026/Jul/09/2003959498/-1/-1/1/CSA_IMPROVE_ROUTER_HYGIENE.PDF","tags":["Third Party Advisory","US Government Resource"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2008-4128","tags":["US Government Resource"]},{"url":"https://www.cisco.com/c/en/us/obsolete/ios-nx-os-software/cisco-ios-software-releases-12-4-mainline.html","tags":["Product"]}],"techniques":[{"id":"T1204.001","name":"Malicious Link","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: CSRF requires victim user clicking malicious link","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"Multiple cross-site request forgery (CSRF) vulnerabilities in the HTTP Administration component","start":0,"end":95}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1059","name":"Command and Scripting Interpreter","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Arbitrary command execution via CSRF requests","mappingType":"primary_impact","evidence":[{"from":"description","quote":"allow remote attackers to execute arbitrary commands via","start":152,"end":208}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2008-4111","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2008-4111","exploited":true,"exploitedSince":"2026-07-13","provenance":"source"},"exploits":[{"id":6476,"url":"https://www.exploit-db.com/exploits/6476","title":"Cisco Router - HTTP Administration Cross-Site Request Forgery / Command Execution (1)","type":"remote","platform":"hardware","date":"2008-09-17","verified":true,"provenance":"source"}],"exploitSources":{"exploitdb":{"count":1,"earliest":"2008-09-17"},"first":{"date":"2008-09-17","source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/6476"},"provenance":"source"},"exploitRefs":["http://www.securityfocus.com/bid/31218","https://www.exploit-db.com/exploits/6476","https://www.exploit-db.com/exploits/6477"],"flow":[{"stage":"exploitation","techniques":["T1204.001"],"provenance":"ai"},{"stage":"primary","techniques":["T1059"],"provenance":"ai"}],"timeline":[{"date":"2008-09-17","kind":"exploit-public","label":"First public exploit: Exploit-DB (EDB-6476)","url":"https://www.exploit-db.com/exploits/6476","provenance":"source"},{"date":"2008-09-18","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2008-4128","provenance":"source"},{"date":"2026-07-13","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://media.defense.gov/2026/Jul/09/2003959498/-1/-1/0/CSA_IMPROVE_ROUTER_HYGIENE.PDF","provenance":"source"},{"date":"2026-07-13","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2026-07-13","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2008-4111","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":"Exploit-DB","daysToKev":6507},"priority":{"score":73.3,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":5.0,"detail":"added 108 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.68,"detail":"percentile 0.9839"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"3 NVD references tagged Exploit; 1 Exploit-DB entry"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"28 pulses"},{"name":"CVSS severity","points":5.67,"detail":"base score 8.1"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}