VULNERABILITY INTELLIGENCE

CVE-2017-18342

CVSS score9.8 CRITICAL
EPSS probability5.66%
CISA KEVNot currently listed
Published2018-06-27
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

In PyYAML before 5.1, the yaml.load() API could execute arbitrary code if used with untrusted data. The load() function has been deprecated in version 5.1 and the 'UnsafeLoader' has been introduced for backward compatibility with the function.

Weakness classification

  • CWE-502: Deserialization of Untrusted Data

Primary references