{"id":"CVE-2024-21894","published":"2024-04-04T22:16:29Z","modified":"2024-10-03T21:43:40Z","title":"A heap overflow vulnerability in IPSec component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows…","vendor":"Ivanti","product":"Connect Secure","tier":"core","eol":null,"affectedVersions":[{"vendor":"Ivanti","product":"Connect Secure","versions":[">= 22.1R6.2, < 22.1R6.2",">= 22.2R4.2, < 22.2R4.2",">= 22.3R1.2, < 22.3R1.2",">= 22.4R1.2, < 22.4R1.2",">= 22.4R2.4, < 22.4R2.4",">= 22.5R1.3, < 22.5R1.3",">= 22.5R2.4, < 22.5R2.4",">= 22.6R2.3, < 22.6R2.3",">= 9.1R14.6, < 9.1R14.6",">= 9.1R15.4, < 9.1R15.4"]},{"vendor":"Ivanti","product":"Policy Secure","versions":[">= 22.4R1.2, < 22.4R1.2",">= 22.6R1.2, < 22.6R1.2",">= 9.1R16.4, < 9.1R16.4",">= 9.1R17.4, < 9.1R17.4",">= 9.1R18.5, < 9.1R18.5"]}],"description":{"text":"A heap overflow vulnerability in IPSec component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows an unauthenticated malicious user to send specially crafted requests in-order-to crash the service thereby causing a DoS attack. In certain conditions this may lead to execution of arbitrary code ","provenance":"source","from":"CVE.org"},"summary":null,"cvss":{"score":8.2,"severity":"HIGH","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.18987,"percentile":0.97303,"date":"2026-10-31","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2024-10-30","exploitedFirstSeen":"2024-10-30","ransomware":false,"evidence":[{"url":"https://www.reliaquest.com/blog/5-critical-threat-actors-you-need-to-know-about/","date":"2024-10-30"},{"url":"https://cert.pl/uploads/docs/Report_CP_2024.pdf","date":"2025-04-03"}],"evidenceTotal":2,"provenance":"source"},"exploited":true,"otx":null,"cwes":[{"id":"CWE-703","name":"Improper Check or Handling of Exceptional Conditions"}],"references":[{"url":"https://forums.ivanti.com/s/article/SA-CVE-2024-21894-Heap-Overflow-CVE-2024-22052-Null-Pointer-Dereference-CVE-2024-22053-Heap-Overflow-and-CVE-2024-22023-XML-entity-expansion-or-XXE-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways?language=en_US","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2024-19505","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-19505","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2024-04-04","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2024-21894","provenance":"source"},{"date":"2024-10-30","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://www.reliaquest.com/blog/5-critical-threat-actors-you-need-to-know-about/","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":60.2,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 732 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.46,"detail":"percentile 0.9730"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":5.74,"detail":"base score 8.2"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}