Vulnerability · Published May 22, 2020 · Assigned by mitre

CVE-2020-13388

Critical 9.8

In plain English

A critical-severity security flaw in the jw-util package (PyPI). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.5% (higher than 92% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)4.5%top 8.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
PyPIjw-util2.3GHSA-h72c-w3q3-55qq
PyPIjw-util2.3PYSEC-2020-341

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References