CVE-2019-10149

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-01-10. Federal remediation due 2022-07-10.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

99.96% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 100.0% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

Critical. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-06-05 00:00Z7 YR AGO

Last updated

2025-10-21 23:45Z10 MO AGO

Reserved

2019-03-27

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Critical (CVSS 9.0)

CNA CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Weaknesses

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base

Data version

5.1

Document digest

af09f1a6bf6bcc181fbed6967a42cdbc6102fc2d2f5292cee01af2f5496bc3be

• www.openwall.com[oss-security] 20190605 Re: CVE-2019-10149: Exim 4.87 to 4.91: possible remote exploithttp://www.openwall.com/lists/oss-security/2019/06/05/2mailing-list
• usn.ubuntu.comUSN-4010-1https://usn.ubuntu.com/4010-1/vendor-advisory
• www.openwall.com[oss-security] 20190605 Re: CVE-2019-10149: Exim 4.87 to 4.91: possible remote exploithttp://www.openwall.com/lists/oss-security/2019/06/05/3mailing-list
• www.openwall.com[oss-security] 20190605 Re: CVE-2019-10149: Exim 4.87 to 4.91: possible remote exploithttp://www.openwall.com/lists/oss-security/2019/06/05/4mailing-list
• www.debian.orgDSA-4456https://www.debian.org/security/2019/dsa-4456vendor-advisory
• seclists.org20190605 [SECURITY] [DSA 4456-1] exim4 security updatehttps://seclists.org/bugtraq/2019/Jun/5mailing-list
• security.gentoo.orgGLSA-201906-01https://security.gentoo.org/glsa/201906-01vendor-advisory
• www.openwall.com[oss-security] 20190606 Re: CVE-2019-10149: Exim 4.87 to 4.91: possible remote exploithttp://www.openwall.com/lists/oss-security/2019/06/06/1mailing-list
• www.securityfocus.com108679http://www.securityfocus.com/bid/108679vdb-entry
• lists.opensuse.orgopenSUSE-SU-2019:1524http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00020.htmlvendor-advisory
• seclists.org20190611 The Return of the WIZard: RCE in Exim (CVE-2019-10149)http://seclists.org/fulldisclosure/2019/Jun/16mailing-list
• www.openwall.com[oss-security] 20190725 Re: Statistics for distros lists updated for 2019Q2http://www.openwall.com/lists/oss-security/2019/07/25/6mailing-list
• www.openwall.com[oss-security] 20190725 Re: Statistics for distros lists updated for 2019Q2http://www.openwall.com/lists/oss-security/2019/07/25/7mailing-list
• www.openwall.com[oss-security] 20190726 Re: Statistics for distros lists updated for 2019Q2http://www.openwall.com/lists/oss-security/2019/07/26/4mailing-list
• www.openwall.com[oss-security] 20210504 21Nails: Multiple vulnerabilities in Eximhttp://www.openwall.com/lists/oss-security/2021/05/04/7mailing-list
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10149
• www.exim.orghttps://www.exim.org/static/doc/security/CVE-2019-10149.txt
• packetstormsecurity.comhttp://packetstormsecurity.com/files/153218/Exim-4.9.1-Remote-Command-Execution.html
• packetstormsecurity.comhttp://packetstormsecurity.com/files/153312/Exim-4.91-Local-Privilege-Escalation.html
• packetstormsecurity.comhttp://packetstormsecurity.com/files/154198/Exim-4.91-Local-Privilege-Escalation.html
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-10149government-resource