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CVE-2015-3644
Stunnel 5.00 through 5.13, when using the redirect option, does not redirect client connections to the expected server after the initial…
Medium5.8EPSS 2.1%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Stunnel 5.00 through 5.13, when using the redirect option, does not redirect client connections to the expected server after the initial connection, which allows remote attackers to bypass authentication.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
- EPSS (exploitation in 30 days)
- 2.1% · top 18% 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 5.8.
Weakness
Affected products
n/a
- affected n/a
References (4)
- DSA-3299 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 74659 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.stunnel.org/CVE-2015-3644.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1032324 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_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-2015-3644)Record last updated .