{"cve":"CVE-2020-13388","nvd":{"published":"2020-05-22T17:15:10.957","modified":"2026-06-17T02:53:03.797","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-78"],"references":["https://joel-malwarebenchmark.github.io","https://joel-malwarebenchmark.github.io/blog/2020/04/27/cve-2020-13388-jw-util-vulnerability/","https://security.netapp.com/advisory/ntap-20200528-0002/","https://joel-malwarebenchmark.github.io","https://joel-malwarebenchmark.github.io/blog/2020/04/27/cve-2020-13388-jw-util-vulnerability/"],"products":["python:jw.util"],"source":"nvd","synced_at":"2026-10-19T21:05:42.039641217+00:00"},"epss":{"cve":"CVE-2020-13388","score":0.04533,"percentile":0.91558,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-h72c-w3q3-55qq","url":"https://osv.dev/vulnerability/GHSA-h72c-w3q3-55qq","summary":"OS Command Injection in jw.util","modified":"2024-02-16T08:18:06.025087Z","packages":[{"ecosystem":"PyPI","name":"jw-util","purl":"pkg:pypi/jw-util","ranges":["<2.3"],"fixed":["2.3"]}]},{"id":"PYSEC-2020-341","url":"https://osv.dev/vulnerability/PYSEC-2020-341","summary":"","modified":"2023-11-08T04:02:19.226419Z","packages":[{"ecosystem":"PyPI","name":"jw-util","purl":"pkg:pypi/jw-util","ranges":["<2.3"],"fixed":["2.3"]}]}],"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."]}