Your RSA-2048 keys break in 2030. Find every one of them before attackers do.
CISA KEV·Added 2022-01-10 — agencies required to remediate by 2022-07-10

CVE-2019-10149

CRITICAL
Published
Jun 5, 2019
Updated
Apr 10, 2026
Affected
0 pkgs
Patched
None yet
Exploits
30 known

EPSS Exploitation Probability

via FIRST.org ↗
93.9%probability of exploitation in next 30 days
Very High Risk100th percentile0.00%
93.4%93.8%94.1%94.4%93.9%93.9%Dec 25Apr 26Jun 26

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

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.

Exploits & PoCs
30

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-46996locallinux✓ Verified

Exim 4.87 - 4.91 - Local Privilege Escalation

by Marco Ivaldi · Jun 17, 2019

EDB-47307locallinux✓ Verified

Exim 4.87 / 4.91 - Local Privilege Escalation (Metasploit)

by Metasploit · Aug 26, 2019

EDB-46974remotelinux

Exim 4.87 < 4.91 - (Local / Remote) Command Execution

by Qualys Corporation · Jun 5, 2019

Frequently Asked Questions

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.
O3 Security · Impact-Aware SCA

Is CVE-2019-10149 in your stack?

O3 detects CVE-2019-10149 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.