{"cve":{"cve_id":"CVE-2008-4128","is_kev":true,"kev_date_added":"2026-07-13","kev_vendor_project":"Cisco","kev_product":"IOS","kev_vulnerability_name":"Cisco IOS Cross-Site Request Forgery Vulnerability","kev_short_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.","kev_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.","kev_due_date":"2026-07-16","kev_known_ransomware":false,"kev_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","kev_cwes":["CWE-352"],"epss_score":0.3368,"epss_percentile":0.9826,"epss_as_of":"2026-08-26","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.","published_at":"2008-09-18T20:00:00Z","last_modified_at":"2026-07-14T05:16:15.780000Z","cvss_v3_score":4.3,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","cvss_v3_severity":"MEDIUM","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"active","ssvc_automatable":false,"ssvc_technical_impact":"partial","cwes":["CWE-352"],"nvd_references":["https://www.exploit-db.com/exploits/6476","https://exchange.xforce.ibmcloud.com/vulnerabilities/45226","http://jbrownsec.blogspot.com/2008/09/cisco-0day-released.html","https://www.exploit-db.com/exploits/6477","http://www.securityfocus.com/bid/31218"],"vuln_status":"Analyzed","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-07-14T15:32:50.783054Z"},"effective_severity":"MEDIUM","badges":["kev","exploit"],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"R","value_label":"Required"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"L","value_label":"Low"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"ios","product_name":"IOS","version_start":"12.4","version_start_inclusive":true,"version_end":"12.4","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*"}],"exploit_refs":[{"source":"exploit-db","kind":"exploit-db","url":"https://www.exploit-db.com/exploits/6476","title":"Cisco Router - HTTP Administration Cross-Site Request Forgery / Command Execution (1)","author":"Jeremy Brown","disclosed_at":"2008-09-17"}],"news":[],"references":[{"url":"https://www.exploit-db.com/exploits/6476","source_type":"EXPLOIT","tags":["exploit"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/45226","source_type":"MISC","tags":[]},{"url":"http://jbrownsec.blogspot.com/2008/09/cisco-0day-released.html","source_type":"MISC","tags":[]},{"url":"https://www.exploit-db.com/exploits/6477","source_type":"EXPLOIT","tags":["exploit"]},{"url":"http://www.securityfocus.com/bid/31218","source_type":"MISC","tags":[]}],"timeline":[{"type":"exploit_known","at":"2008-09-17T00:00:00Z","label":"Public exploit available","source":"exploit-db"},{"type":"published","at":"2008-09-18T20:00:00Z","label":"CVE published","source":null},{"type":"cisa_reported","at":"2026-07-13T00:00:00Z","label":"Added to CISA KEV catalog","source":"kev"},{"type":"cvss_changed","at":"2026-07-13T15:32:50.779320Z","label":"CVSS score revised","source":"nvd"},{"type":"cvss_changed","at":"2026-07-13T15:32:50.779320Z","label":"CVSS score revised","source":"nvd"},{"type":"cvss_changed","at":"2026-07-13T15:32:50.779320Z","label":"CVSS score revised","source":"nvd"},{"type":"ssvc_changed","at":"2026-07-13T18:34:20.783477Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-07-13T18:34:20.783477Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-07-13T18:34:20.783477Z","label":"SSVC decision revised","source":"vulnrichment"}]}