Vulnerability Intelligence Report
CVE-2019-20477
PyYAML 5.1 through 5.1.2 has insufficient restrictions on the load and load_all functions because of a class deserialization issue, e.g., Popen is a class in the subprocess module. NOTE: this issue exists because of an incomplete fix for CVE-2017-18342.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
EPSS Probability:5.03%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
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Weaponization
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SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| pyyaml | pyyaml | all |
| fedoraproject | fedora | 30, 31 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
5.031%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2020-02-19T00:00:00 |
| Published | 2020-02-19T03:09:21 |
| Last Updated | 2024-08-05T02:39:10 |
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