CVE-2019-10149 CRITICAL

CVE-2019-10149

Vendor Exim
Product exim
Weakness CWE-78
KEV Status Known Exploited
Published June 5, 2019
Last update October 21, 2025
View on NVD All CVEs

CVSS base score

9.0/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

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.

CISA mandated remediation

02CISA Required Action

Apply updates per vendor instructions.

Key dates

03Disclosure timeline

June 5, 2019 CVE published
October 21, 2025 Record updated