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Case File

CVE-2017-16943

CRITICAL · CVSS 9.8 EPSS 46.71% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2017-11-25 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2017-16943
Severity
CRITICAL
CVSS
9.8
EPSS
46.71%

Original Filing — NVD Description

The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via vectors involving BDAT commands.