CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS
Percentile
76.0%
Irssi before 0.8.15, when SSL is used, does not verify that the server hostname matches a domain name in the subject’s Common Name (CN) field or a Subject Alternative Name field of the X.509 certificate, which allows man-in-the-middle attackers to spoof IRC servers via an arbitrary certificate.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | irssi | < 0.8.15-1 | irssi_0.8.15-1_all.deb |
Debian | 11 | all | irssi | < 0.8.15-1 | irssi_0.8.15-1_all.deb |
Debian | 999 | all | irssi | < 0.8.15-1 | irssi_0.8.15-1_all.deb |
Debian | 13 | all | irssi | < 0.8.15-1 | irssi_0.8.15-1_all.deb |