How severe is CVE-2011-4617?

CVE-2011-4617 has a CVSS 2.0 base score of 1.2, rated low severity.

Is CVE-2011-4617 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4617?

CVE-2011-4617 primarily affects Python Virtualenv. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-4617?

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

When was CVE-2011-4617 published?

CVE-2011-4617 was published on 2011-12-31 and last updated on 2026-06-16.

CVE-2011-4617

CVE-2011-4617 is a low-severity vulnerability in Python Virtualenv with a CVSS 2.0 base score of 1.2. 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-59.

Key facts

Severity: Low (CVSS 2.0 base score 1.2)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Python Virtualenv
Published: 2011-12-31
Last modified: 2026-06-16

Description

virtualenv.py in virtualenv before 1.5 allows local users to overwrite arbitrary files via a symlink attack on a certain file in /tmp/.

Frequently asked questions

What is CVE-2011-4617?: virtualenv.py in virtualenv before 1.5 allows local users to overwrite arbitrary files via a symlink attack on a certain file in /tmp/.
How severe is CVE-2011-4617?: CVE-2011-4617 has a CVSS 2.0 base score of 1.2, rated low severity.
Is CVE-2011-4617 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4617?: CVE-2011-4617 primarily affects Python Virtualenv. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4617?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4617 published?: CVE-2011-4617 was published on 2011-12-31 and last updated on 2026-06-16.

References

Affected products (27)

cpe:2.3:a:python:virtualenv:*:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:0.8:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:0.8.1:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:0.8.2:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:0.8.3:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:0.8.4:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:0.9:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:0.9.1:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:0.9.2:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:1.0:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:1.1:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:1.2:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:1.3:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:1.3.2:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:1.3.3:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:1.3.4:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:1.4:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:1.4.3:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:1.4.4:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:1.4.5:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:1.4.6:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:1.4.7:*:*:*:*:*:*:*
cpe:2.3:a:python:virtualenv:1.4.8:*:*:*:*:*:*:*

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