CVE-2019-20430
HIGHCVSS 7.5/10EPSS 2.21%
Last modified
CVE-2019-20430 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In the Lustre file system before 2.12.3, the mdt module has an LBUG panic (via a large MDT Body eadatasize field) due to the lack of validation for specific fields of packets sent by a client.. EPSS estimates a 2.21% chance of exploitation in the next 30 days.
Description
In the Lustre file system before 2.12.3, the mdt module has an LBUG panic (via a large MDT Body eadatasize field) due to the lack of validation for specific fields of packets sent by a client.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Lustre | Lustre | < 2.12.3 |
References
- http://lustre.org/Product, Vendor Advisory
- http://wiki.lustre.org/Lustre_2.12.3_ChangelogRelease Notes, Vendor Advisory
- https://jira.whamcloud.com/browse/LU-12602Exploit, Third Party Advisory
- https://review.whamcloud.com/#/c/36208/Third Party Advisory
- http://lustre.org/Product, Vendor Advisory
- http://wiki.lustre.org/Lustre_2.12.3_ChangelogRelease Notes, Vendor Advisory
- https://jira.whamcloud.com/browse/LU-12602Exploit, Third Party Advisory
- https://review.whamcloud.com/#/c/36208/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-20430?
In the Lustre file system before 2.12.3, the mdt module has an LBUG panic (via a large MDT Body eadatasize field) due to the lack of validation for specific fields of packets sent by a client.
How severe is CVE-2019-20430?
CVE-2019-20430 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.21% probability of exploitation in the next 30 days.
How do I fix CVE-2019-20430?
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-2019-20430?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST