Is CVE-2019-10149 actively exploited?

CVE-2019-10149 has no public evidence of in-the-wild exploitation as of 2025-11-06.

What is the CVSS score for CVE-2019-10149?

CVE-2019-10149 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2019-10149?

Patch guidance is available from exim security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2019-10149.

Fix CVE-2019-10149 - CRITICAL exim exim

Q: Which products are affected by CVE-2019-10149?

4 products: exim exim, canonical ubuntu linux, canonical ubuntu linux, debian debian linux.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-78 · OS Command Injection CWE-78 · OS Command Injection

Metadata

Primary Vendor: EXIM
Published: 6/5/2019
Last Modified: 11/6/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

exim : eximcanonical : ubuntu_linuxcanonical : ubuntu_linuxdebian : debian_linux

Remediation Guidance

Executive Summary

View on NIST NVD