CVE-2021-24028
CRITICALCVSS 9.8/10EPSS 1.75%
Last modified
CVE-2021-24028 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An invalid free in Thrift's table-based serialization can cause the application to crash or potentially result in code execution or other undesirable effects. This issue affects Facebook Thrift prior to v2021.02.22.00.. EPSS estimates a 1.75% chance of exploitation in the next 30 days.
Description
An invalid free in Thrift's table-based serialization can cause the application to crash or potentially result in code execution or other undesirable effects. This issue affects Facebook Thrift prior to v2021.02.22.00.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Thrift | < 2021.02.22.00 |
References
- https://github.com/facebook/fbthrift/commit/bfda1efa547dce11a38592820916db01b05b9339Patch, Third Party Advisory
- https://www.facebook.com/security/advisories/cve-2021-24028Vendor Advisory
- https://github.com/facebook/fbthrift/commit/bfda1efa547dce11a38592820916db01b05b9339Patch, Third Party Advisory
- https://www.facebook.com/security/advisories/cve-2021-24028Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-24028?
An invalid free in Thrift's table-based serialization can cause the application to crash or potentially result in code execution or other undesirable effects. This issue affects Facebook Thrift prior to v2021.02.22.00.
How severe is CVE-2021-24028?
CVE-2021-24028 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.75% probability of exploitation in the next 30 days.
How do I fix CVE-2021-24028?
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-2021-24028?
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