CVE-2021-33575

moderate-risk
Published 2021-05-25

The Pixar ruby-jss gem before 1.6.0 allows remote attackers to execute arbitrary code because of the Plist gem's documented behavior of using Marshal.load during XML document processing.

Do I need to act?

~
2.7% 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: 46e4564acbd149501fe0abd135ad1b3220b1ca96
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Ruby-Jss

Affected Vendors

Pixar

References (4)

Release Notes https://github.com/PixarAnimationStudios/ruby-jss/blob/e6d48dd8c77f9275c76787d60...
Third Party Advisory https://github.com/patsplat/plist/tree/ce8f9ae42a114f603ea200c955e420782bffc4ad#...
Release Notes https://github.com/PixarAnimationStudios/ruby-jss/blob/e6d48dd8c77f9275c76787d60...
Third Party Advisory https://github.com/patsplat/plist/tree/ce8f9ae42a114f603ea200c955e420782bffc4ad#...
43
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 6/34 · Minimal
Exposure 5/34 · Minimal