VULNERABILITY INTELLIGENCE
CVE-2014-2667
CVSS score3.3 LOW
EPSS probability0.36%
CISA KEVNot currently listed
Published2014-11-16
Last modified2026-06-17
CVSS vectorAV:L/AC:M/Au:N/C:P/I:P/A:N
Description
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.
Weakness classification
- CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')