Wee Enhanced Environment for Chat (aka WeeChat) 0.3.4 and earlier does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof an SSL chat server via an arbitrary certificate, related to incorrect use of the GnuTLS API
Published Mar 16, 2011
5.8
MEDIUMCVSS 2.0
EPSS 1.08%
Description
Wee Enhanced Environment for Chat (aka WeeChat) 0.3.4 and earlier does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof an SSL chat server via an arbitrary certificate, related to incorrect use of the GnuTLS API.
Affected products
No data.
- ≤ 0.3.4
- 0.0.1
- 0.0.2
- 0.0.3
- 0.0.4
- 0.0.5
- 0.0.6
- 0.0.7
- 0.0.8
- 0.0.9
- 0.1.0
- 0.1.1
- 0.1.2
- 0.1.3
- 0.1.4
- 0.1.5
- 0.1.6
- 0.1.7
- 0.1.8
- 0.1.9
- 0.2.0
- 0.2.1
- 0.2.2
- 0.2.3
- 0.2.4
- 0.2.5
- 0.2.6
- 0.2.6.1
- 0.2.6.2
- 0.2.6.3
- 0.3.0
- 0.3.1
- 0.3.1.1
- 0.3.2
- 0.3.3
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.08% (0.01082) | 63.92th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.08% (0.01082) | 60.70th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.17% (0.00165) | 35.13th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.13% (0.00134) | 50.21th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.16% (0.00160) | 51.93th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.14% (0.00141) | 48.71th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.12% (0.00119) | 44.84th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00134) | 46.71th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (5)
- http://archives.neohapsis.com/archives/fulldisclosure/2011-02/0671.html mailing-listx_refsource_FULLDISCExploit
- http://git.savannah.gnu.org/gitweb/?p=weechat.git%3Ba=commit%3Bh=c265cad1c95b84abfd4e8d861f25926ef13b5d91 x_refsource_CONFIRM
- http://savannah.nongnu.org/patch/index.php?7459 x_refsource_CONFIRMExploitPatch
- http://secunia.com/advisories/43543 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.securityfocus.com/bid/46612 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/fulldisclosure/2011-02/0671.html | mailing-listx_refsource_FULLDISCExploit | |
| http://git.savannah.gnu.org/gitweb/?p=weechat.git%3Ba=commit%3Bh=c265cad1c95b84abfd4e8d861f25926ef13b5d91 | x_refsource_CONFIRM | |
| http://savannah.nongnu.org/patch/index.php?7459 | x_refsource_CONFIRMExploitPatch | |
| http://secunia.com/advisories/43543 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.securityfocus.com/bid/46612 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.