CVE-2017-18342
high-risk
Published 2018-06-27
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.
Do I need to act?
~
4.5% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
+
Fix available
Upgrade to: e471e86bf6dabdad45a1438c20a4a5c033eb9034
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Vendors
References (18)
Third Party Advisory
https://github.com/marshmallow-code/apispec/issues/278
Release Notes
https://github.com/yaml/pyyaml/blob/master/CHANGES
Third Party Advisory
https://github.com/yaml/pyyaml/issues/193
Third Party Advisory
https://security.gentoo.org/glsa/202003-45
Third Party Advisory
https://github.com/marshmallow-code/apispec/issues/278
Release Notes
https://github.com/yaml/pyyaml/blob/master/CHANGES
Third Party Advisory
https://github.com/yaml/pyyaml/issues/193
Third Party Advisory
https://security.gentoo.org/glsa/202003-45
50
/ 100
high-risk
Severity
32/34 · Critical
Exploitability
8/34 · Low
Exposure
10/34 · Low