{"id":"CVE-2023-39340","aliases":["EUVD-2023-43071","GHSA-gfr7-4r5q-4qrx"],"status":"published","title":"A vulnerability exists on all versions of Ivanti Connect Secure below 22.6R2 where an attacker...","description":"A vulnerability exists on all versions of Ivanti Connect Secure below 22.6R2 where an attacker can send a specific request which may lead to Denial of Service (DoS) of the appliance.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.02376,"percentile":0.83978,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-12-16T01:49:21Z","modified":"2026-06-17T06:12:05Z","products":[{"vendor":"ivanti","product":"connect secure"},{"vendor":"ivanti","product":"connect_secure"}],"references":[{"url":"https://forums.ivanti.com/s/article/Security-fix-release-Ivanti-Connect-Secure-22-6R2-and-22-6R2-1?language=en_US","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-39340"},{"url":"https://github.com/advisories/GHSA-gfr7-4r5q-4qrx"}],"sources":{"cve":[{"id":"CVE-2023-39340","description":"A vulnerability exists on all versions of Ivanti Connect Secure below 22.6R2 where an attacker can send a specific request which may lead to Denial of Service (DoS) of the appliance.","status":"published","published":"2023-12-16T01:49:21.623Z","modified":"2024-11-27T15:14:36.145Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:33.138994Z"}],"euvd":[{"id":"EUVD-2023-43071","description":"A vulnerability exists on all versions of Ivanti Connect Secure below 22.6R2 where an attacker can send a specific request which may lead to Denial of Service (DoS) of the appliance.","status":"published","published":"2023-12-16T01:49:21Z","modified":"2024-11-27T15:14:36Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:45.657538Z"}],"ghsa":[{"id":"GHSA-gfr7-4r5q-4qrx","title":"A vulnerability exists on all versions of Ivanti Connect Secure below 22.6R2 where an attacker...","description":"A vulnerability exists on all versions of Ivanti Connect Secure below 22.6R2 where an attacker can send a specific request which may lead to Denial of Service (DoS) of the appliance.","status":"published","published":"2023-12-16T03:30:21Z","modified":"2023-12-16T03:30:25Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T14:55:13.486361Z"}],"nvd":[{"id":"CVE-2023-39340","description":"A vulnerability exists on all versions of Ivanti Connect Secure below 22.6R2 where an attacker can send a specific request which may lead to Denial of Service (DoS) of the appliance.","status":"published","published":"2023-12-16T02:15:07.453Z","modified":"2026-06-17T06:12:05.707Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"updated_at":"2026-11-02T14:08:56.329586Z"}]}}