{"id":"CVE-2020-13388","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-13388","generatedAt":"2026-10-27T23:30:05.994Z","title":"An exploitable vulnerability exists in the configuration-loading functionality of the jw.util package before 2.3 for Python.","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.","published":"2020-05-22T17:15:11.000Z","lastModified":"2026-06-17T02:53:04.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-78"],"affected":["python/jw.util"],"epss":{"score":0.04533,"percentile":0.91493,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (4.53%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://joel-malwarebenchmark.github.io","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://joel-malwarebenchmark.github.io/blog/2020/04/27/cve-2020-13388-jw-util-vulnerability/","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://security.netapp.com/advisory/ntap-20200528-0002/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://joel-malwarebenchmark.github.io","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://joel-malwarebenchmark.github.io/blog/2020/04/27/cve-2020-13388-jw-util-vulnerability/","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20200528-0002/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-13388","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}