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.
Metrics
CVSS 3.1 9.8/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://joel-malwarebenchmark.github.ioExploit, Third Party Advisory
- https://joel-malwarebenchmark.github.io/blog/2020/04/27/cve-2020-13388-jw-util-vulnerability/Exploit, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200528-0002/Third Party Advisory
- https://joel-malwarebenchmark.github.ioExploit, Third Party Advisory
- https://joel-malwarebenchmark.github.io/blog/2020/04/27/cve-2020-13388-jw-util-vulnerability/Exploit, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200528-0002/Third Party Advisory
Timeline
- Published
- May 22, 2020
- Last modified
- Jun 17, 2026
- NVD status
- Modified