Critical severity9.8NVD Advisory· Published May 22, 2020· Updated Jun 17, 2026
CVE-2020-13388
CVE-2020-13388
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
jw.utilPyPI | < 2.3 | 2.3 |
Affected products
3- Python/jw.utildescription
Patches
Vulnerability mechanics
References
7- joel-malwarebenchmark.github.ionvdExploitThird Party AdvisoryWEB
- joel-malwarebenchmark.github.io/blog/2020/04/27/cve-2020-13388-jw-util-vulnerability/nvdExploitThird Party Advisory
- github.com/advisories/GHSA-h72c-w3q3-55qqghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-13388ghsaADVISORY
- security.netapp.com/advisory/ntap-20200528-0002/nvdThird Party Advisory
- joel-malwarebenchmark.github.io/blog/2020/04/27/cve-2020-13388-jw-util-vulnerabilityghsaWEB
- security.netapp.com/advisory/ntap-20200528-0002ghsaWEB
News mentions
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