Vulnerability DatabaseCVE-2021-33575
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2021-33575
Published:May 25, 2021
Updated:May 17, 2026
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.
Affected Packages
ruby-jss (RUBY):
Affected version(s) >=0.6.3 <1.6.0
Fix Suggestion:
Update to version 1.6.0
Related Resources (6)
https://github.com/advisories/GHSA-vmfh-c547-v45h
https://github.com/PixarAnimationStudios/ruby-jss
https://nvd.nist.gov/vuln/detail/CVE-2021-33575
https://github.com/PixarAnimationStudios/ruby-jss/blob/e6d48dd8c77f9275c76787d60d3472615fcd9b77/CHANGES.md#160---2021-05-24
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/ruby-jss/CVE-2021-33575.yml
https://github.com/patsplat/plist/tree/ce8f9ae42a114f603ea200c955e420782bffc4ad#label-Security+considerations
Do you need more information?
Contact Us
CVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
EPSS
Base Score:
1.76