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CVE-2011-4617

13
FAUCET Score

CVE-2011-4617 describes a local file overwrite vulnerability in virtualenv versions prior to 1.5, affecting the Python virtualenv tool. An attacker can exploit this by leveraging a symlink attack on a temporary file in /tmp/, potentially overwriting arbitrary files on the system. With a CVSS score of 1.2, this vulnerability has low severity, requiring local access and high attack complexity, with a potential impact of partial integrity loss. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.4.9CPE matchmatch criteria
cpe:2.3:a:python:virtualenv:*:*:*:*:*:*:*:*
0.8CPE matchmatch criteria
cpe:2.3:a:python:virtualenv:0.8:*:*:*:*:*:*:*
0.8.1CPE matchmatch criteria
cpe:2.3:a:python:virtualenv:0.8.1:*:*:*:*:*:*:*
0.8.2CPE matchmatch criteria
cpe:2.3:a:python:virtualenv:0.8.2:*:*:*:*:*:*:*
0.8.3CPE matchmatch criteria
cpe:2.3:a:python:virtualenv:0.8.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

1.2LOW

AV:L/AC:H/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
1.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.32%
Probability of exploitation in next 30 days
EPSS Percentile
24.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0032 is in the 35th percentile among its peer group of 747 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: virtualenvFixed in: 1.5

Vendor Advisories (1)

pipGHSA-3jhc-wjqf-5f2cmedium

Virtualenv Allows Symlink Attack on /tmp/

May 17, 2022

References

lists.fedoraproject.org / pipermail/package-announce/2012-January/071638.html
lists.fedoraproject.org / pipermail/package-announce/2012-January/071643.html
openwall.com / lists/oss-security/2011/12/19/2
openwall.com / lists/oss-security/2011/12/19/4
openwall.com / lists/oss-security/2011/12/19/5
bitbucket.org / ianb/virtualenv/changeset/8be37c509fe5
secunia.com / advisories/47240
Vendor Advisory