How severe is CVE-2011-4944?

CVE-2011-4944 has a CVSS 2.0 base score of 1.9, rated low severity.

Is CVE-2011-4944 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4944?

CVE-2011-4944 primarily affects Python. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-4944?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-4944 published?

CVE-2011-4944 was published on 2012-08-27 and last updated on 2026-06-16.

CVE-2011-4944

CVE-2011-4944 is a low-severity vulnerability in Python with a CVSS 2.0 base score of 1.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Low (CVSS 2.0 base score 1.9)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Python
Published: 2012-08-27
Last modified: 2026-06-16

Description

Python 2.6 through 3.2 creates ~/.pypirc with world-readable permissions before changing them after data has been written, which introduces a race condition that allows local users to obtain a username and password by reading this file.

Frequently asked questions

What is CVE-2011-4944?: Python 2.6 through 3.2 creates ~/.pypirc with world-readable permissions before changing them after data has been written, which introduces a race condition that allows local users to obtain a username and password by reading this file.
How severe is CVE-2011-4944?: CVE-2011-4944 has a CVSS 2.0 base score of 1.9, rated low severity.
Is CVE-2011-4944 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4944?: CVE-2011-4944 primarily affects Python. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4944?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4944 published?: CVE-2011-4944 was published on 2012-08-27 and last updated on 2026-06-16.

References

Affected products (28)

cpe:2.3:a:python:python:2.6.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.6.2:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.6.3:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.6.4:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.6.5:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.6.6:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.6.7:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.6.8:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.6.2150:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.6.6150:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.7.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.7.1:rc1:*:*:*:*:*:*
cpe:2.3:a:python:python:2.7.2:rc1:*:*:*:*:*:*
cpe:2.3:a:python:python:2.7.3:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.7.1150:*:*:*:*:*:*:*
cpe:2.3:a:python:python:2.7.1150:*:*:*:*:*:x64:*
cpe:2.3:a:python:python:2.7.2150:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.0:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.1.3:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.1.4:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.1.5:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.1.2150:*:*:*:*:*:x64:*
cpe:2.3:a:python:python:3.2:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.2:alpha:*:*:*:*:*:*

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Threat intelligence

Threat-intel indicators referencing this CVE:

121.164.135.251 (ipv4-addr)