CVE-2021-4118
HIGHCVSS 7.8/10EPSS 0.98%
Last modified
CVE-2021-4118 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. pytorch-lightning is vulnerable to Deserialization of Untrusted Data. EPSS estimates a 0.98% chance of exploitation in the next 30 days.
Description
pytorch-lightning is vulnerable to Deserialization of Untrusted Data
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Lightningai | Pytorch Lightning | < 1.6.0 |
References
- https://github.com/pytorchlightning/pytorch-lightning/commit/62f1e82e032eb16565e676d39e0db0cac7e34acePatch, Third Party Advisory
- https://huntr.dev/bounties/31832f0c-e5bb-4552-a12c-542f81f111e6Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/pytorchlightning/pytorch-lightning/commit/62f1e82e032eb16565e676d39e0db0cac7e34acePatch, Third Party Advisory
- https://huntr.dev/bounties/31832f0c-e5bb-4552-a12c-542f81f111e6Exploit, Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-4118?
pytorch-lightning is vulnerable to Deserialization of Untrusted Data
How severe is CVE-2021-4118?
CVE-2021-4118 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.98% probability of exploitation in the next 30 days.
How do I fix CVE-2021-4118?
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-2021-4118?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST