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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…
Critical9.0Known exploitedEPSS 100.0%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Exim Mail Transfer Agent (MTA) Improper Input Validation.
- Added
- 10 Jan 2022
- Fix due (US federal)
- 10 Jul 2022
- Used by ransomware
- Not known
Apply updates per vendor instructions.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.0 | Critical9.0 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 100.0% · top 0.1% of all CVEs (4 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.0.
Weakness
Affected products
References (21)
- [oss-security] 20190605 Re: CVE-2019-10149: Exim 4.87 to 4.91: possible remote exploit (opens in a new tab)mailing-listx_transferred
- USN-4010-1 (opens in a new tab)vendor-advisoryx_transferred
- [oss-security] 20190605 Re: CVE-2019-10149: Exim 4.87 to 4.91: possible remote exploit (opens in a new tab)mailing-listx_transferred
- [oss-security] 20190605 Re: CVE-2019-10149: Exim 4.87 to 4.91: possible remote exploit (opens in a new tab)mailing-listx_transferred
- DSA-4456 (opens in a new tab)vendor-advisoryx_transferred
- 20190605 [SECURITY] [DSA 4456-1] exim4 security update (opens in a new tab)mailing-listx_transferred
- GLSA-201906-01 (opens in a new tab)vendor-advisoryx_transferred
- [oss-security] 20190606 Re: CVE-2019-10149: Exim 4.87 to 4.91: possible remote exploit (opens in a new tab)mailing-listx_transferred
- 108679 (opens in a new tab)vdb-entryx_transferred
- openSUSE-SU-2019:1524 (opens in a new tab)vendor-advisoryx_transferred
- 20190611 The Return of the WIZard: RCE in Exim (CVE-2019-10149) (opens in a new tab)mailing-listx_transferred
- [oss-security] 20190725 Re: Statistics for distros lists updated for 2019Q2 (opens in a new tab)mailing-listx_transferred
- [oss-security] 20190725 Re: Statistics for distros lists updated for 2019Q2 (opens in a new tab)mailing-listx_transferred
- [oss-security] 20190726 Re: Statistics for distros lists updated for 2019Q2 (opens in a new tab)mailing-listx_transferred
- [oss-security] 20210504 21Nails: Multiple vulnerabilities in Exim (opens in a new tab)mailing-listx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10149 (opens in a new tab)x_transferred
- https://www.exim.org/static/doc/security/CVE-2019-10149.txt (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/153218/Exim-4.9.1-Remote-Command-Execution.html (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/153312/Exim-4.91-Local-Privilege-Escalation.html (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/154198/Exim-4.91-Local-Privilege-Escalation.html (opens in a new tab)x_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-10149 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-10149)Record last updated .