Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2019-10149

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.

Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 3 products from exim, from canonical, from debian organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2019-06-05T14:29:11.293

Last Modified

2025-11-06T14:49:48.047

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

10.0

Weaknesses

Type: Secondary
CWE-78
Type: Primary
CWE-78

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	exim	exim	≤ 4.91	Yes
Operating System	canonical	ubuntu_linux	18.04	Yes
Operating System	canonical	ubuntu_linux	18.10	Yes
Operating System	debian	debian_linux	9.0	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00020.html Mailing List, Third Party Advisory ([email protected])
http://packetstormsecurity.com/files/153218/Exim-4.9.1-Remote-Command-Execution.html Exploit, Third Party Advisory, VDB Entry ([email protected])
http://packetstormsecurity.com/files/153312/Exim-4.91-Local-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry ([email protected])
http://packetstormsecurity.com/files/154198/Exim-4.91-Local-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry ([email protected])
http://seclists.org/fulldisclosure/2019/Jun/16 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2019/06/05/2 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2019/06/05/3 Mailing List, Patch, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2019/06/05/4 Exploit, Mailing List ([email protected])
http://www.openwall.com/lists/oss-security/2019/06/06/1 Exploit, Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2019/07/25/6 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2019/07/25/7 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2019/07/26/4 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2021/05/04/7 Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/108679 Broken Link, Third Party Advisory, VDB Entry ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10149 Issue Tracking, Third Party Advisory ([email protected])
https://seclists.org/bugtraq/2019/Jun/5 Mailing List, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/201906-01 Third Party Advisory ([email protected])
https://usn.ubuntu.com/4010-1/ Third Party Advisory ([email protected])
https://www.debian.org/security/2019/dsa-4456 Third Party Advisory ([email protected])
https://www.exim.org/static/doc/security/CVE-2019-10149.txt Vendor Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00020.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://packetstormsecurity.com/files/153218/Exim-4.9.1-Remote-Command-Execution.html Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://packetstormsecurity.com/files/153312/Exim-4.91-Local-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://packetstormsecurity.com/files/154198/Exim-4.91-Local-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2019/Jun/16 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2019/06/05/2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2019/06/05/3 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2019/06/05/4 Exploit, Mailing List (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2019/06/06/1 Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2019/07/25/6 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2019/07/25/7 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2019/07/26/4 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2021/05/04/7 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/108679 Broken Link, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10149 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://seclists.org/bugtraq/2019/Jun/5 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201906-01 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4010-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2019/dsa-4456 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.exim.org/static/doc/security/CVE-2019-10149.txt Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-10149 US Government Resource (134c704f-9b21-4f2e-91b3-4a467353bcc0)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For exim's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.