onyx

onyx --cves cve-2014-2957

CVE-2014-2957

MEDExim
score
<0.1
cvss
6.8
epss
5.3%
published
2014-09-04
kev added
—
first seen

Exim before 4.82.1 with EXPERIMENTAL_DMARC enabled contains a remote code execution caused by passing untrusted From header to expand_string function, letting remote attackers execute arbitrary code via email headers, exploit requires EXPERIMENTAL_DMARC to be enabled.

Timeline

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

events2014-09-04 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 5.3%2026-09-23: epss 5.3%2026-09-24: epss 5.3%2026-09-25: epss 5.3%2026-09-26: epss 5.3%2026-09-27: epss 5.3%2026-09-28: epss 5.3%2026-09-29: epss 5.3%2026-09-30: epss 5.3%2026-10-01: epss 5.3%2026-10-02: epss 5.3%2026-10-03: epss 5.3%2026-10-04: epss 5.3%2026-10-05: epss 5.3%2026-10-06: epss 5.3%2026-10-07: epss 5.3%2026-10-08: epss 5.3%2026-10-09: epss 5.3%2026-10-10: epss 5.3%2026-10-11: epss 5.3%2026-10-12: epss 5.3%2026-10-13: epss 5.3%2026-10-14: epss 5.3%2026-10-15: epss 5.3%2026-10-16: epss 5.3%2026-10-18: epss 5.3%2026-10-19: epss 5.3%2026-10-20: epss 5.3%2026-10-21: epss 5.3%5.3%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx

Weaknesses

CWE-20

References 3