onyx

onyx --cves cve-2023-27997

CVE-2023-27997

N/AKEVFortinet FortiOS
score
<0.1
cvss
—
epss
85.7%
published
—
kev added
2023-06-13
first seen

Fortinet FortiOS and FortiProxy SSL-VPN contain a heap-based buffer overflow vulnerability which can allow an unauthenticated, remote attacker to execute code or commands via specifically crafted requests.

Timeline

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

events2023-06-13 — Added to CISA KEVK2026-10-21 (seen by) — Tracked by OnyxTscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 85.7%2026-09-23: epss 85.7%2026-09-24: epss 85.7%2026-09-25: epss 85.7%2026-09-26: epss 85.7%2026-09-27: epss 85.7%2026-09-28: epss 85.7%2026-09-29: epss 85.7%2026-09-30: epss 85.7%2026-10-01: epss 85.7%2026-10-02: epss 85.7%2026-10-03: epss 85.7%2026-10-04: epss 85.7%2026-10-05: epss 85.7%2026-10-06: epss 85.7%2026-10-07: epss 85.7%2026-10-08: epss 85.7%2026-10-09: epss 85.7%2026-10-10: epss 85.7%2026-10-11: epss 85.7%2026-10-12: epss 85.7%2026-10-13: epss 85.7%2026-10-14: epss 85.7%2026-10-15: epss 85.7%2026-10-16: epss 85.7%2026-10-18: epss 85.7%2026-10-19: epss 85.7%2026-10-20: epss 85.7%2026-10-21: epss 85.7%85.7%mentions/day0no mentions in 30 days2026-09-22today
  1. Added to CISA KEV
  2. Tracked by Onyx

Weaknesses

CWE-122

References 2