onyx

onyx --cves cve-2020-12819

CVE-2020-12819

MEDFortinet FortiOS
score
<0.1
cvss
5.4
epss
0.8%
published
2024-12-19
kev added
—
first seen

FortiGate versions 5.6.12, 6.0.10, 6.2.4, 6.4.1 and earlier contain a heap-based buffer overflow caused by processing of Link Control Protocol messages in SSL VPN, letting remote attackers crash the SSL VPN daemon by sending a large LCP packet when tunnel mode is enabled, exploit requires valid SSL VPN credentials.

Timeline

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

events2024-12-19 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 0.8%2026-09-23: epss 0.8%2026-09-24: epss 0.8%2026-09-25: epss 0.8%2026-09-26: epss 0.8%2026-09-27: epss 0.8%2026-09-28: epss 0.8%2026-09-29: epss 0.8%2026-09-30: epss 0.8%2026-10-01: epss 0.8%2026-10-02: epss 0.8%2026-10-03: epss 0.8%2026-10-04: epss 0.8%2026-10-05: epss 0.8%2026-10-06: epss 0.8%2026-10-07: epss 0.8%2026-10-08: epss 0.8%2026-10-09: epss 0.8%2026-10-10: epss 0.8%2026-10-11: epss 0.8%2026-10-12: epss 0.8%2026-10-13: epss 0.8%2026-10-14: epss 0.8%2026-10-15: epss 0.8%2026-10-16: epss 0.8%2026-10-18: epss 0.8%2026-10-19: epss 0.8%2026-10-20: epss 0.8%2026-10-21: epss 0.8%0.8%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx

Weaknesses

CWE-122 CWE-787

References 1