Description
In mutt and neomutt the In-Reply-To email header field is not protected by cryptographic signing which allows an attacker to reuse an unencrypted but signed email message to impersonate the original sender.
Scores
CVSS v3
5.3
EPSS
0.0008
EPSS Percentile
23.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-347
Status
published
Products (4)
mutt/mutt
neomutt/neomutt
redhat/enterprise_linux
8.0
redhat/enterprise_linux
9.0
Published
Nov 12, 2024
Tracked Since
Feb 18, 2026