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CVE-2010-1155
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)…
Medium6.8EPSS 1.6%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 1.6% · top 25% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Weakness
Affected products
n/a
- affected n/a
References (19)
- [oss-security] 20100412 Re: CVE request: irssi 0.8.15 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20100413 Re: CVE request: irssi 0.8.15 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- ADV-2010-0856 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- ADV-2010-1110 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- irssi-hostname-mitm(57790) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- ADV-2010-1107 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- ADV-2010-0987 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- SUSE-SR:2010:011 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- [oss-security] 20100413 Re: CVE request: irssi 0.8.15 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 39620 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 39365 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- USN-929-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://irssi.org/news (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20100411 CVE request: irssi 0.8.15 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- SSA:2010-116-01 (opens in a new tab)vendor-advisoryx_refsource_SLACKWAREx_transferred
- FEDORA-2010-6629 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- http://github.com/ensc/irssi-proxy/commit/85bbc05b21678e80423815d2ef1dfe26208491ab (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://irssi.org/news/ChangeLog (opens in a new tab)x_refsource_CONFIRMx_transferred
- 39797 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2010-1155)Record last updated .