CVE-2014-2667
LOW · CVSS 3.3EPSS 0.4%EU EUVD
Race condition in the _get_masked_mode function in Lib/os.py in Python 3.2 through 3.5, when exist_ok is set to true and multiple threads are used, might allow local users to bypass intended file permissions by leveraging a separate application vulnerability before the umask has been set to the expected value.
Key facts
- CVSS score
- 3.3 (v2.0)
- Severity
- LOW
- CVSS vector
AV:L/AC:M/Au:N/C:P/I:P/A:N- Weakness (CWE)
- CWE-362
- EPSS score
- 0.4% (29th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2014-2699)
- Published
- November 16, 2014
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2014-2699 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- python / python
- python / python
- python / python
- python / python
- python / python
- python / python
- python / python
- python / python
- python / python
- python / python
- python / python
- python / python
- python / python
- python / python
- python / python
- python / python
- python / python
References
- http://bugs.python.org/issue21082(Vendor Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html
- http://lists.opensuse.org/opensuse-updates/2014-05/msg00007.html
- http://lists.opensuse.org/opensuse-updates/2014-05/msg00008.html
- http://www.openwall.com/lists/oss-security/2014/03/28/15
- http://www.openwall.com/lists/oss-security/2014/03/29/5
- http://www.openwall.com/lists/oss-security/2014/03/30/4
- https://security.gentoo.org/glsa/201503-10
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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