CVE-2018-14354
They allow remote IMAP servers to execute arbitrary commands via backquote characters, related to the mailboxes command associated with a manual subscription or unsubscription.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 a manual subscription or unsubscription.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 6.15% probability · 93th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- mutt/mutt · neomutt/neomutt · canonical/ubuntu linux · debian/debian linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux server tus · redhat/enterprise linux workstation
- Source
- cve@mitre.org
EPSS 6.2% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.mutt.org/news.htmlRelease Notes, Vendor Advisory
- http://www.securityfocus.com/bid/104925Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2526Third Party Advisory
- https://github.com/neomutt/neomutt/commit/95e80bf9ff10f68cb6443f760b85df4117cb15ebPatch, 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/3719-2/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
- http://www.securityfocus.com/bid/104925Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:2526Third Party Advisory
- https://github.com/neomutt/neomutt/commit/95e80bf9ff10f68cb6443f760b85df4117cb15ebPatch, 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/3719-2/Third Party Advisory
- https://usn.ubuntu.com/3719-3/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4277Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.