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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.044 (91.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.044 · newest: 0.044 · change: 0.000
Affected products
Weakness classification (CWE)
References
- joel-malwarebenchmark.github.io (Exploit, Third Party Advisory)
- joel-malwarebenchmark.github.io/blog/2020/04/27/cve-2020-13388-jw-util-vulnerab… (Exploit, Third Party Advisory)
- security.netapp.com/advisory/ntap-20200528-0002/ (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.