Vulnerability Details : 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.
Vulnerability category: Execute code
Products affected by CVE-2019-20478
- cpe:2.3:a:ruamel.yaml_project:ruamel.yaml:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-20478
2.60%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-20478
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST | |
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
References for CVE-2019-20478
-
https://www.exploit-db.com/exploits/47655
YAML Deserialization Attack in Python - Python papers ExploitThird Party Advisory;VDB Entry
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