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CVE-2016-3067
Cygwin before 2.5.0 does not properly handle updating permissions when changing users, which allows attackers to gain privileges.
Critical9.8EPSS 2.0%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
Cygwin before 2.5.0 does not properly handle updating permissions when changing users, which allows attackers to gain privileges.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.0% · top 19% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (5)
- [cygwin-announce] 20160411 Cygwin 2.5.0-1 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [cygwin-announce] 20160419 CVE-2016-3067: network privilege escalation in Cygwin set(e)ui (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [cygwin] 20160208 Possible Security Hole in SSHD w/ CYGWIN? (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [cygwin-announce] 20160218 TEST RELEASE: Cygwin 2.5.0-0.4 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://sourceware.org/git/?p=newlib-cygwin.git%3Ba=commit%3Bh=205862ed08649df8f50b926a2c58c963f571b044 (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)
Record last updated .