Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2019-10149

CVE-2019-10149CRITICAL

Exim Mail Transfer Agent (MTA)

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS    %ile   KEV
   N   H   N   N  C  H  H  H    9.0   .9996   100.0   YES

AFFECTED
  Product  Versions  Fixed
  exim     4.92 –    —

TIMELINE
  Mar 27  Reserved by redhat
  Jun 5   Published (CNA: redhat)
  Jan 10  Added to CISA KEV, remediation due 2022-07-10

CWE-78 · CNA: redhat · CVSS v3.0 · 21 references · KEV due July 10, 2022

Description

A flaw was found in Exim versions 4.87 to 4.91 (inclusive). Improper validation of recipient address in deliver_message() function in /src/deliver.c may lead to remote command execution.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
March 27, 2019	Reserved	Reserved by redhat
June 5, 2019	Published	Published (CNA: redhat)
January 10, 2022	KEV ADDED	Added to CISA KEV, remediation due 2022-07-10

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
exim	exim	—	4.92	—

Weaknesses

CWE-78

References (21)

http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00020.html [vendor-advisory]
http://packetstormsecurity.com/files/153218/Exim-4.9.1-Remote-Command-Execution.html
http://packetstormsecurity.com/files/153312/Exim-4.91-Local-Privilege-Escalation.html
http://packetstormsecurity.com/files/154198/Exim-4.91-Local-Privilege-Escalation.html
http://seclists.org/fulldisclosure/2019/Jun/16 [mailing-list]
http://www.openwall.com/lists/oss-security/2019/06/05/2 [mailing-list]
http://www.openwall.com/lists/oss-security/2019/06/05/3 [mailing-list]
http://www.openwall.com/lists/oss-security/2019/06/05/4 [mailing-list]
http://www.openwall.com/lists/oss-security/2019/06/06/1 [mailing-list]
http://www.openwall.com/lists/oss-security/2019/07/25/6 [mailing-list]
http://www.openwall.com/lists/oss-security/2019/07/25/7 [mailing-list]
http://www.openwall.com/lists/oss-security/2019/07/26/4 [mailing-list]
http://www.openwall.com/lists/oss-security/2021/05/04/7 [mailing-list]
http://www.securityfocus.com/bid/108679 [vdb-entry]
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10149
https://seclists.org/bugtraq/2019/Jun/5 [mailing-list]
https://security.gentoo.org/glsa/201906-01 [vendor-advisory]
https://usn.ubuntu.com/4010-1/ [vendor-advisory]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-10149 [government-resource]
https://www.debian.org/security/2019/dsa-4456 [vendor-advisory]
https://www.exim.org/static/doc/security/CVE-2019-10149.txt

Authoritative record: CVE-2019-10149 at cve.org

Vendors: exim

Weaknesses: CWE-78

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2019-10149 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.