CVE-2020-15801 — Untrusted Search Path in Python

CWE-426 — Untrusted Search PathCWE-94 — Code InjectionCWE-863 — Incorrect Authorization18 documents6 sources
Severity
9.8CRITICALNVD
EPSS
0.6%
top 30.03%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
PythonDebian Python2.7Debian Python3.9
Timeline
PublishedJul 17
Latest updateDec 14

Description

In Python 3.8.4, sys.path restrictions specified in a python38._pth file are ignored, allowing code to be loaded from arbitrary locations. The ._pth file (e.g., the python._pth file) is not affected.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

▶NVDpython/python3.7.0 — 3.7.9+1

Patches

Patch: bugs.python.org ↗Patch: github.com ↗Patch: bugs.python.org ↗

🔴Vulnerability Details

1
GHSA
GHSA-45fw-qrx2-rj7m: In Python 3↗2022-05-24
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📋Vendor Advisories

3
CISA ICS
Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1↗2023-12-14
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Red Hat
python: sys.path allowing code to be loaded from arbitrary locations↗2020-07-15
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Debian
CVE-2020-15801: python2.7 - In Python 3.8.4, sys.path restrictions specified in a python38._pth file are ign...↗2020
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💬Community

13
Bugzilla
CVE-2020-15801 python34: python: sys.path allowing code to be loaded from arbitrary locations [epel-all]↗2020-07-24
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Bugzilla
CVE-2020-15801 python3: python: sys.path allowing code to be loaded from arbitrary locations [fedora-all]↗2020-07-24
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Bugzilla
CVE-2020-15801 python36: python: sys.path allowing code to be loaded from arbitrary locations [fedora-all]↗2020-07-24
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Bugzilla
CVE-2020-15801 python38: python: sys.path allowing code to be loaded from arbitrary locations [fedora-all]↗2020-07-24
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Bugzilla
CVE-2020-15801 python: sys.path allowing code to be loaded from arbitrary locations↗2020-07-24
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