CVE-2019-10149

Exim Mail Transfer Agent (MTA) Improper Input Validation

n/a

CVSS

100.0%

EPSS (exploit prob.)

100.0%

EPSS percentile

Yes

Actively exploited

Ransomware use

2022-01-10

Added

Summary

Improper validation of recipient address in deliver_message() function in /src/deliver.c may lead to remote command execution.

Affected software

Vendor: Exim · Product: Mail Transfer Agent (MTA)

Weakness types (CWE):

What to do

This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.

Related vulnerabilities in Exim

CVE	Name	EPSS	Exploited
CVE-2018-6789	Exim Buffer Overflow Vulnerability	82.1%	Yes
CVE-2010-4344	Exim Heap-Based Buffer Overflow Vulnerability	71.9%	Yes
CVE-2019-16928	Exim Out-of-bounds Write Vulnerability	41.6%	Yes
CVE-2010-4345	Exim Privilege Escalation Vulnerability	18.1%	Yes

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