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CVE-2024-49393

Mutt: neomutt: to and cc email header fields are not protected by cryptographic signing

Published: Nov 12, 2024Updated: Jun 26, 2026 Sources: CVE List NVD BDUCWE-347
6.5MEDIUM
NVD MITRE
EPSS Score
0.3%
Top 74.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

In neomutt and mutt, the To and Cc email headers are not validated by cryptographic signing which allows an attacker that intercepts a message to change their value and include himself as a one of the recipients to compromise message confidentiality.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:HI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-347

Affected Products

Michael Elkins
individual-devaka mutt author, neomutt author
MuttMixed
Communications / email-server-client
NeoMuttMixed
Communications / email-server-client
Red Hat Inc.
commercial·USaka Red Hat, redhat
Red Hat Enterprise Linux 10On-premOS
Operating Systems / linux-distro
Novell Inc.
commercial·US
openSUSE TumbleweedOn-prem
Operating Systems / linux-distro
mutt
oss-project·USaka mutt mail client
muttOn-prem
Communications / email-server-client
neomutt
oss-project
neomuttOn-prem
Communications / email-server-client
and 6 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2024-49393?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://access.redhat.com/security/cve/CVE-2024-49393
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2325317
bugzilla.redhat.com
https://github.com/neomutt/neomutt/issues/4223
github.com
and 12 more references View all →

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