01 Record

CVE-2014-2667

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

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

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02 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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.35% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 29.0% of scored records. A rank, not a probability.
NVD base score: The NVD has published no score for this record
NVD CVSS vector: No NVD score to derive
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2014-11-16 01:00Z11 YR AGO

Last updated

2024-08-06 10:21Z2 YR AGO

Reserved

2014-03-26

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class

Data version

5.1

Document digest

63f287fa52939a161cfe9f98621bbef775cb7e002b0d878f4c52e13178dffba6

05 Affected products

VendorProductVersionsPlatforms

pythonpythonNot specified—

redhatenterprise_linuxNot specified—

redhatrhel_software_collectionsNot specified—

06 References

www.openwall.com[oss-security] 20140328 CVE request: os.makedirs(exist_ok=True) is not thread-safe in Pythonhttp://www.openwall.com/lists/oss-security/2014/03/28/15mailing-listx_refsource_MLIST
lists.opensuse.orgopenSUSE-SU-2014:0597http://lists.opensuse.org/opensuse-updates/2014-05/msg00008.htmlvendor-advisoryx_refsource_SUSE
security.gentoo.orgGLSA-201503-10https://security.gentoo.org/glsa/201503-10vendor-advisoryx_refsource_GENTOO
www.openwall.com[oss-security] 20140330 Re: CVE request: os.makedirs(exist_ok=True) is not thread-safe in Pythonhttp://www.openwall.com/lists/oss-security/2014/03/30/4mailing-listx_refsource_MLIST
bugs.python.orghttp://bugs.python.org/issue21082x_refsource_CONFIRM
www.openwall.com[oss-security] 20140329 Re: [PSRT] CVE request: os.makedirs(exist_ok=True) is not thread-safe in Pythonhttp://www.openwall.com/lists/oss-security/2014/03/29/5mailing-listx_refsource_MLIST
lists.opensuse.orgopenSUSE-SU-2014:0596http://lists.opensuse.org/opensuse-updates/2014-05/msg00007.htmlvendor-advisoryx_refsource_SUSE
lists.opensuse.orgopenSUSE-SU-2020:0086http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.htmlvendor-advisoryx_refsource_SUSE