Is CVE-2018-14354 being actively exploited?

CVE-2018-14354 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2018-14354?

CVE-2018-14354 has a CVSS 3.1 base score of 9.8 (CRITICAL).

CVE-2018-14354

CRITICAL · CVSS 9.8EPSS 6.2%EU EUVD

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 a manual subscription or unsubscription.

Key facts

CVSS score: 9.8 (v3.1)
Severity: CRITICAL
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-78
EPSS score: 6.2% (93th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2018-6275)
Published: July 17, 2018
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2018-6275 in the EU Vulnerability Database. Last updated in EUVD on August 5, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
debian / debian linux
mutt / mutt
neomutt / neomutt
redhat / enterprise linux desktop
redhat / enterprise linux desktop
redhat / enterprise linux server
redhat / enterprise linux server
redhat / enterprise linux server aus
redhat / enterprise linux server aus
redhat / enterprise linux server eus
redhat / enterprise linux server eus
redhat / enterprise linux server eus
redhat / enterprise linux server tus
redhat / enterprise linux server tus
redhat / enterprise linux workstation
redhat / enterprise linux workstation

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Red Hat Enterprise Linux 7.6 - Red Hat, Inc. - Common Criteria CCEVS-VR-VID-11039-2020 - archived

References

http://www.mutt.org/news.html(Release Notes, Vendor Advisory)
http://www.securityfocus.com/bid/104925(Third Party Advisory, VDB Entry)
https://access.redhat.com/errata/RHSA-2018:2526(Third Party Advisory)
https://github.com/neomutt/neomutt/commit/95e80bf9ff10f68cb6443f760b85df4117cb15eb(Patch, Third Party Advisory)
https://gitlab.com/muttmua/mutt/commit/185152818541f5cdc059cbff3f3e8b654fc27c1d(Patch, Third Party Advisory)
https://lists.debian.org/debian-lts-announce/2018/08/msg00001.html(Mailing List, Third Party Advisory)
https://neomutt.org/2018/07/16/release(Release Notes, Vendor Advisory)
https://security.gentoo.org/glsa/201810-07(Third Party Advisory)
https://usn.ubuntu.com/3719-1/(Third Party Advisory)
https://usn.ubuntu.com/3719-2/(Third Party Advisory)
https://usn.ubuntu.com/3719-3/(Third Party Advisory)
https://www.debian.org/security/2018/dsa-4277(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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