onyx

onyx --cves cve-2022-3620

CVE-2022-3620

MEDExim
score
0.1
cvss
5.6
epss
1.0% ▲0.2
published
2022-10-20
kev added
—
first seen

Exim contains a use after free caused by manipulation in the dmarc_dns_lookup function of dmarc.c in DMARC Handler, letting remote attackers execute arbitrary code or cause crashes, exploit requires remote interaction.

Timeline

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

events2022-10-20 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score 0.10.1epss2026-09-22: 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 1.0%2026-10-19: epss 1.0%2026-10-20: epss 1.0%2026-10-21: epss 1.0%1.0%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx

Weaknesses

CWE-119 CWE-416

References 5