cbcvebase.
CVE-2009-1390
published 2009-06-16

CVE-2009-1390: Mutt 1.5.19, when linked against (1) OpenSSL (mutt_ssl.c) or (2) GnuTLS (mutt_ssl_gnutls.c), allows connections when only one TLS certificate in the chain is…

PriorityP427medium6.8CVSS 2.0
AVNACMAuNCPIPAP
EPSS
1.92%
77.8th percentile
Mutt 1.5.19, when linked against (1) OpenSSL (mutt_ssl.c) or (2) GnuTLS (mutt_ssl_gnutls.c), allows connections when only one TLS certificate in the chain is accepted instead of verifying the entire chain, which allows remote attackers to spoof trusted servers via a man-in-the-middle attack.

Affected

6 ranges
VendorProductVersion rangeFixed in
debianmutt< mutt 1.5.20-1 (bookworm)mutt 1.5.20-1 (bookworm)
muttmutt
muttmutt>= 0 < 1.5.20-11.5.20-1
muttmutt>= 0 < 1.5.20-11.5.20-1
muttmutt>= 0 < 1.5.20-11.5.20-1
muttmutt>= 0 < 1.5.20-11.5.20-1

CVSS provenance

nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
osv6.8MEDIUM
vendor_debian6.8MEDIUM
vendor_redhat6.8MEDIUM
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.