{"cve":{"cve_id":"CVE-2025-20281","is_kev":true,"kev_date_added":"2025-07-28","kev_vendor_project":"Cisco","kev_product":"Identity Services Engine","kev_vulnerability_name":"Cisco Identity Services Engine Injection Vulnerability","kev_short_description":"Cisco Identity Services Engine contains an injection vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC due to insufficient validation of user-supplied input allowing an attacker to exploit this vulnerability by submitting a crafted API request. Successful exploitation could allow an attacker to perform remote code execution and obtaining root privileges on an affected device.","kev_required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","kev_due_date":"2025-08-18","kev_known_ransomware":false,"kev_notes":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-unauth-rce-ZAd2GnJ6 ; https://nvd.nist.gov/vuln/detail/CVE-2025-20281","kev_cwes":["CWE-74"],"epss_score":0.96732,"epss_percentile":0.99877,"epss_as_of":"2026-06-23","description":"A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to execute arbitrary code on the underlying operating system as root. The attacker does not require any valid credentials to exploit this vulnerability.\r\n\r\nThis vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to obtain root privileges on an affected device.","published_at":"2025-06-25T16:11:42.285000Z","last_modified_at":null,"cvss_v3_score":10.0,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","cvss_v3_severity":"CRITICAL","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-74"],"nvd_references":["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-unauth-rce-ZAd2GnJ6"],"vuln_status":null,"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":"2026-06-24T00:09:31.350578Z","updated_at":"2026-06-28T23:25:35.723913Z"},"effective_severity":"CRITICAL","badges":["kev","poc","epss"],"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":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"C","value_label":"Changed"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-identity-services-engine-software","product_name":"Cisco Identity Services Engine Software","version_start":"3.3.0","version_start_inclusive":true,"version_end":"3.3.0","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-identity-services-engine-software:3.3.0:3.3.0"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-identity-services-engine-software","product_name":"Cisco Identity Services Engine Software","version_start":"3.3 Patch 2","version_start_inclusive":true,"version_end":"3.3 Patch 2","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-identity-services-engine-software:3.3 Patch 2:3.3 Patch 2"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-identity-services-engine-software","product_name":"Cisco Identity Services Engine Software","version_start":"3.3 Patch 1","version_start_inclusive":true,"version_end":"3.3 Patch 1","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-identity-services-engine-software:3.3 Patch 1:3.3 Patch 1"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-identity-services-engine-software","product_name":"Cisco Identity Services Engine Software","version_start":"3.3 Patch 3","version_start_inclusive":true,"version_end":"3.3 Patch 3","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-identity-services-engine-software:3.3 Patch 3:3.3 Patch 3"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-identity-services-engine-software","product_name":"Cisco Identity Services Engine Software","version_start":"3.4.0","version_start_inclusive":true,"version_end":"3.4.0","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-identity-services-engine-software:3.4.0:3.4.0"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-identity-services-engine-software","product_name":"Cisco Identity Services Engine Software","version_start":"3.3 Patch 4","version_start_inclusive":true,"version_end":"3.3 Patch 4","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-identity-services-engine-software:3.3 Patch 4:3.3 Patch 4"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-identity-services-engine-software","product_name":"Cisco Identity Services Engine Software","version_start":"3.4 Patch 1","version_start_inclusive":true,"version_end":"3.4 Patch 1","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-identity-services-engine-software:3.4 Patch 1:3.4 Patch 1"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-identity-services-engine-software","product_name":"Cisco Identity Services Engine Software","version_start":"3.3 Patch 5","version_start_inclusive":true,"version_end":"3.3 Patch 5","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-identity-services-engine-software:3.3 Patch 5:3.3 Patch 5"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-identity-services-engine-software","product_name":"Cisco Identity Services Engine Software","version_start":"3.3 Patch 6","version_start_inclusive":true,"version_end":"3.3 Patch 6","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-identity-services-engine-software:3.3 Patch 6:3.3 Patch 6"}],"exploit_refs":[{"source":"nuclei","kind":"nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-20281.yaml","title":"Cisco ISE - Remote Code Execution","author":"daffainfo","disclosed_at":null}],"news":[],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-unauth-rce-ZAd2GnJ6","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2025-06-25T16:11:42.285000Z","label":"CVE published","source":null},{"type":"cisa_reported","at":"2025-07-28T00:00:00Z","label":"Added to CISA KEV catalog","source":"kev"},{"type":"poc_available","at":"2026-06-24T00:29:48.638073Z","label":"Public PoC available","source":"nuclei"},{"type":"cvss_changed","at":"2026-06-28T17:42:01.967879Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:42:01.967879Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:42:01.967879Z","label":"CVSS score revised","source":"cvelistv5"}]}