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CVE-2012-5524
The _ssl_verify_callback function in tls_nb.py in Gajim before 0.15.3 does not properly verify SSL certificates, which allows remote…
Medium4.3EPSS 1.1%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The _ssl_verify_callback function in tls_nb.py in Gajim before 0.15.3 does not properly verify SSL certificates, which allows remote attackers to conduct man-in-the-middle (MITM) attacks and spoof servers via an arbitrary certificate from a trusted CA.
Timeline
ID reserved
By redhat
- 16 months later
· 16 months later
Published
- 10 years later
· 10 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
- EPSS (exploitation in 30 days)
- 1.1% · top 33% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Weakness
Affected products
n/a
- affected n/a
References (4)
- GLSA-201401-02 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://trac.gajim.org/ticket/7252 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20121111 Gajim fails to handle invalid certificates (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://trac.gajim.org/query?status=closed&group=resolution&milestone=0.15.3 (opens in a new tab)x_refsource_CONFIRMx_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://cveledger.app/cve/CVE-2012-5524)Record last updated .