# 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.

- Page: https://www.vulneraibility.com/cve/CVE-2019-10149
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2022-01-10; CISA due date 2022-07-10
- EPSS: 99.96% (percentile 100.0)
- Public exploit code: 4 on Exploit-DB · 1 Metasploit module · 19 GitHub proofs of concept (first 2019-06-05)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-02-07)
- Weakness: CWE-78
- Published: 2019-06-05

## Affected versions

- exim: affected 4.92

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] http://www.openwall.com/lists/oss-security/2019/06/05/2
- [advisory] https://usn.ubuntu.com/4010-1/
- [other] http://www.openwall.com/lists/oss-security/2019/06/05/3
- [other] http://www.openwall.com/lists/oss-security/2019/06/05/4
- [advisory] https://www.debian.org/security/2019/dsa-4456
- [other] https://seclists.org/bugtraq/2019/Jun/5
- [advisory] https://security.gentoo.org/glsa/201906-01
- [other] http://www.openwall.com/lists/oss-security/2019/06/06/1
- [other] http://www.securityfocus.com/bid/108679
- [advisory] http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00020.html
- [other] http://seclists.org/fulldisclosure/2019/Jun/16
- [other] http://www.openwall.com/lists/oss-security/2019/07/25/6
- [other] http://www.openwall.com/lists/oss-security/2019/07/25/7
- [other] http://www.openwall.com/lists/oss-security/2019/07/26/4
- [other] http://www.openwall.com/lists/oss-security/2021/05/04/7
- [other] https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10149
- [other] https://www.exim.org/static/doc/security/CVE-2019-10149.txt
- [other] http://packetstormsecurity.com/files/153218/Exim-4.9.1-Remote-Command-Execution.html
- [other] http://packetstormsecurity.com/files/153312/Exim-4.91-Local-Privilege-Escalation.html
- [other] http://packetstormsecurity.com/files/154198/Exim-4.91-Local-Privilege-Escalation.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-10149

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.