CVE-2021-33575
CRITICALCVSS 9.8/10EPSS 2.60%
Last modified
CVE-2021-33575 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.60% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Pixar | Ruby-Jss | < 1.6.0 |
References
- https://github.com/PixarAnimationStudios/ruby-jss/blob/e6d48dd8c77f9275c76787d60d3472615fcd9b77/CHANGES.md#160---2021-05-24Release Notes, Third Party Advisory
- https://github.com/PixarAnimationStudios/ruby-jss/blob/e6d48dd8c77f9275c76787d60d3472615fcd9b77/CHANGES.md#160---2021-05-24Release Notes, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-33575?
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.
How severe is CVE-2021-33575?
CVE-2021-33575 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.60% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33575?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-33575?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST