onyx

onyx --cves cve-2025-25252

CVE-2025-25252

MEDKEVPOCFortinet FortiOS
score
21.7
cvss
4.8
epss
0.3%
published
2025-10-14
kev added
2026-09-11
first seen

FortiOS SSL VPN 6.4, 7.0.0 through 7.0.16, 7.2.0 through 7.2.10, 7.4.0 through 7.4.6, and 7.6.0 through 7.6.2 contain an insufficient session expiration vulnerability caused by improper session termination, letting remote attackers reuse SAML records to access or reopen user sessions, exploit requires possession of valid SAML record.

Timeline

How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.

events2025-10-14 — PublishedP2026-09-11 — Added to CISA KEVK2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score 21.721.7epss2026-09-22: epss 0.3%2026-09-23: epss 0.3%2026-09-24: epss 0.3%2026-09-25: epss 0.3%2026-09-26: epss 0.3%2026-09-27: epss 0.3%2026-09-29: epss 0.3%2026-09-30: epss 0.3%2026-10-01: epss 0.3%2026-10-02: epss 0.3%2026-10-03: epss 0.3%2026-10-04: epss 0.3%2026-10-05: epss 0.3%2026-10-06: epss 0.3%2026-10-07: epss 0.3%2026-10-08: epss 0.3%2026-10-09: epss 0.3%2026-10-10: epss 0.3%2026-10-11: epss 0.3%2026-10-12: epss 0.3%2026-10-13: epss 0.3%2026-10-14: epss 0.3%2026-10-15: epss 0.3%2026-10-16: epss 0.3%2026-10-18: epss 0.3%2026-10-19: epss 0.3%2026-10-20: epss 0.3%2026-10-21: epss 0.3%0.3%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Added to CISA KEV
  3. Tracked by Onyx
  4. Public PoC

Exploit availability

Public PoC flagged by vulnx; no direct exploit link among the citations.

Weaknesses

CWE-613

References 2