What’s Vulnerable › Vulnerabilities
CVE-2016-3067
- Severity: critical (CVSS 9.8 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.0% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2017-04-21 · updated 2026-06-17
- Weakness: CWE-264
Description
Cygwin before 2.5.0 does not properly handle updating permissions when changing users, which allows attackers to gain privileges.
Affected products
- Red Hat, Inc. cygwin: through 2.4.1-1
References
- https://cygwin.com/ml/cygwin-announce/2016-02/msg00023.html
- https://cygwin.com/ml/cygwin-announce/2016-04/msg00020.html
- https://cygwin.com/ml/cygwin-announce/2016-04/msg00054.html
- https://cygwin.com/ml/cygwin/2016-02/msg00129.html
- https://sourceware.org/git/?p=newlib-cygwin.git%3Ba=commit%3Bh=205862ed08649df8f50b926a2c58c963f571b044
- https://cygwin.com/ml/cygwin-announce/2016-02/msg00023.html
- https://cygwin.com/ml/cygwin-announce/2016-04/msg00020.html
- https://cygwin.com/ml/cygwin-announce/2016-04/msg00054.html
- https://cygwin.com/ml/cygwin/2016-02/msg00129.html
- https://sourceware.org/git/?p=newlib-cygwin.git%3Ba=commit%3Bh=205862ed08649df8f50b926a2c58c963f571b044
Get alerted when CVE-2016-3067 or the next vulnerability affects your stack