CVE-2020-13388

CRITICAL

jw.util <2.3 - RCE

Title source: llm

Description

An exploitable vulnerability exists in the configuration-loading functionality of the jw.util package before 2.3 for Python. When loading a configuration with FromString or FromStream with YAML, one can execute arbitrary Python code, resulting in OS command execution, because safe_load is not used.

References (3)

Scores

CVSS v3 9.8
EPSS 0.0232
EPSS Percentile 84.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-78
Status published

Affected Products (2)

python/jw.util < 2.3
pypi/jw.util < 2.3PyPI

Timeline

Published May 22, 2020
Tracked Since Feb 18, 2026