Vulnerability in Ruamel.yaml Project
CVE-2019-20478
In ruamel.yaml through 0.16.7, the load method allows remote code execution if the application calls this method with an untrusted argument. In other words, this issue affects developers who are unaware of the need to use methods such as safe_load in these use cases.
EPSS: 0.068 (93.3th 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
- Ruamel.yaml_project Ruamel.yaml
- N/a — versions n/a
Public proof-of-concept exploits
References
- cve@mitre.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-20478?
- CVE-2019-20478 is a critical-severity vulnerability in Ruamel.yaml Project. CVSS score: 9.8/10. Published 2020-02-19.
- How severe is CVE-2019-20478?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-20478 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.