CVE-2018-14357

Name: CVE-2018-14357
Creator: NVD / NIST
Published: 2018-07-17T17:29:00.7+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 4.86%

Last modified Jun 17, 2026

CVE-2018-14357 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. They allow remote IMAP servers to execute arbitrary commands via backquote characters, related to the mailboxes command associated with an automatic subscription.. EPSS estimates a 4.86% chance of exploitation in the next 30 days.

Description

An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. They allow remote IMAP servers to execute arbitrary commands via backquote characters, related to the mailboxes command associated with an automatic subscription.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

4.86%

90.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Mutt	Mutt	< 1.10.1
Neomutt	Neomutt	< 20180716
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Server	6.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Server Aus	7.6
Redhat	Enterprise Linux Server Aus	7.7
Redhat	Enterprise Linux Server Eus	7.5
Redhat	Enterprise Linux Server Eus	7.6
Redhat	Enterprise Linux Server Eus	7.7
Redhat	Enterprise Linux Server Tus	7.6
Redhat	Enterprise Linux Server Tus	7.7
Redhat	Enterprise Linux Workstation	6.0
Redhat	Enterprise Linux Workstation	7.0

References

http://www.mutt.org/news.htmlRelease Notes, Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:2526Third Party Advisory
https://github.com/neomutt/neomutt/commit/e52393740334443ae0206cab2d7caef381646725Patch, Third Party Advisory
https://gitlab.com/muttmua/mutt/commit/185152818541f5cdc059cbff3f3e8b654fc27c1dPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00001.htmlMailing List, Third Party Advisory
https://neomutt.org/2018/07/16/releaseRelease Notes, Vendor Advisory
https://security.gentoo.org/glsa/201810-07Third Party Advisory
https://usn.ubuntu.com/3719-1/Third Party Advisory
https://usn.ubuntu.com/3719-3/Third Party Advisory
https://www.debian.org/security/2018/dsa-4277Third Party Advisory
http://www.mutt.org/news.htmlRelease Notes, Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:2526Third Party Advisory
https://github.com/neomutt/neomutt/commit/e52393740334443ae0206cab2d7caef381646725Patch, Third Party Advisory
https://gitlab.com/muttmua/mutt/commit/185152818541f5cdc059cbff3f3e8b654fc27c1dPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00001.htmlMailing List, Third Party Advisory
https://neomutt.org/2018/07/16/releaseRelease Notes, Vendor Advisory
https://security.gentoo.org/glsa/201810-07Third Party Advisory
https://usn.ubuntu.com/3719-1/Third Party Advisory
https://usn.ubuntu.com/3719-3/Third Party Advisory
https://www.debian.org/security/2018/dsa-4277Third Party Advisory

Timeline

Published: Jul 17, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-14357?

How severe is CVE-2018-14357?

CVE-2018-14357 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.86% probability of exploitation in the next 30 days.

How do I fix CVE-2018-14357?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-14357?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST