CVE-2010-1155
MEDIUM · CVSS 6.8EPSS 1.6%EU EUVD
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.
Key facts
- CVSS score
- 6.8 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-20
- EPSS score
- 1.6% (75th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2010-1186)
- Published
- April 16, 2010
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2010-1186 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
- irssi / irssi
References
- http://github.com/ensc/irssi-proxy/commit/85bbc05b21678e80423815d2ef1dfe26208491ab
- http://irssi.org/news
- http://irssi.org/news/ChangeLog
- http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041054.html
- http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
- http://marc.info/?l=oss-security&m=127098845125270&w=2
- http://marc.info/?l=oss-security&m=127110132019166&w=2
- http://marc.info/?l=oss-security&m=127116251220784&w=2
- http://marc.info/?l=oss-security&m=127119240204394&w=2
- http://secunia.com/advisories/39365(Vendor Advisory)
- http://secunia.com/advisories/39620
- http://secunia.com/advisories/39797
- http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.497301
- http://www.ubuntu.com/usn/USN-929-1
- http://www.vupen.com/english/advisories/2010/0856(Patch, Vendor Advisory)
- http://www.vupen.com/english/advisories/2010/0987
- http://www.vupen.com/english/advisories/2010/1107
- http://www.vupen.com/english/advisories/2010/1110
- https://exchange.xforce.ibmcloud.com/vulnerabilities/57790
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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