{"cve":"CVE-2011-4617","nvd":{"published":"2011-12-31T01:55:00.860","modified":"2026-06-16T23:35:09.180","status":"Modified","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/.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-59"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071638.html","http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071643.html","http://openwall.com/lists/oss-security/2011/12/19/2","http://openwall.com/lists/oss-security/2011/12/19/4","http://openwall.com/lists/oss-security/2011/12/19/5"],"products":["python:virtualenv"],"source":"nvd","synced_at":"2026-10-19T19:59:31.623151214+00:00"},"epss":{"cve":"CVE-2011-4617","score":0.0031,"percentile":0.23928,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-3jhc-wjqf-5f2c","url":"https://osv.dev/vulnerability/GHSA-3jhc-wjqf-5f2c","summary":"Virtualenv Allows Symlink Attack on /tmp/","modified":"2024-11-18T23:23:05.684284Z","packages":[{"ecosystem":"PyPI","name":"virtualenv","purl":"pkg:pypi/virtualenv","ranges":["<1.5"],"fixed":["1.5"]}]},{"id":"PYSEC-2011-23","url":"https://osv.dev/vulnerability/PYSEC-2011-23","summary":"","modified":"2026-06-10T17:02:46.281359072Z","packages":[{"ecosystem":"PyPI","name":"virtualenv","purl":"pkg:pypi/virtualenv","ranges":["<1.5"],"fixed":["1.5"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}