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CVE-2013-1762
stunnel 4.21 through 4.54, when CONNECT protocol negotiation and NTLM authentication are enabled, does not correctly perform integer…
Medium6.6EPSS 2.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
stunnel 4.21 through 4.54, when CONNECT protocol negotiation and NTLM authentication are enabled, does not correctly perform integer conversion, which allows remote proxy servers to execute arbitrary code via a crafted request that triggers a buffer overflow.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.6 | AV:N/AC:H/Au:N/C:P/I:P/A:C |
- EPSS (exploitation in 30 days)
- 2.9% · top 13% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.6.
Weakness
Affected products
n/a
- affected n/a
References (5)
- MDVSA-2013:130 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- RHSA-2013:0714 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://www.stunnel.org/CVE-2013-1762.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0097 (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-2664 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_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-2013-1762)Record last updated .