{"schema_version":"1","data":[{"id":3686,"advisory_id":"cf466d58-96f8-43ab-93e6-56710dc261d2","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-22893","source_published_at":"2021-11-03T00:00:00+00:00","published_at":"2026-10-24T21:39:39.780234+00:00","extraction_method":"structured","technologies":["core-kev","pulse-connect-secure"],"cve_ids":["CVE-2021-22893"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Ivanti Pulse Connect Secure Use-After-Free Vulnerability","summary":"Ivanti Pulse Connect Secure contains a use-after-free vulnerability that allow a remote, unauthenticated attacker to execute code via license services. CISA required action: Apply updates per vendor instructions.","evidence":"kev:CVE-2021-22893","products":[{"name":{"value":"Pulse Connect Secure","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2021-22893","aliases":["CVE-2021-22893"],"affected":[],"modified":"2021-11-03T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-287"],"cveID":"CVE-2021-22893","notes":"Reference CISA's ED 21-03 (https://www.cisa.gov/news-events/directives/ed-21-03-mitigate-pulse-connect-secure-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-03. https://nvd.nist.gov/vuln/detail/CVE-2021-22893","dueDate":"2022-05-03","product":"Pulse Connect Secure","dateAdded":"2021-11-03","vendorProject":"Ivanti","requiredAction":"Apply updates per vendor instructions.","known_exploited":true,"shortDescription":"Ivanti Pulse Connect Secure contains a use-after-free vulnerability that allow a remote, unauthenticated attacker to execute code via license services.","vulnerabilityName":"Ivanti Pulse Connect Secure Use-After-Free Vulnerability","knownRansomwareCampaignUse":"Known"}},"related_cves":[{"value":"CVE-2021-22893","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}}],"next_after":3686,"next_before":3686}