RCE in Python Jw.util
CVE-2020-13388
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.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.044 (90.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Python Jw.util
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-13388?
- CVE-2020-13388 is a critical-severity vulnerability in Python Jw.util, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-05-22.
- How severe is CVE-2020-13388?
- Critical severity. CVSS v3 base score is 9.8 out of 10.