CVE-2020-15890
HIGHCVSS 7.5/10EPSS 2.86%
Last modified
CVE-2020-15890 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. LuaJit through 2.1.0-beta3 has an out-of-bounds read because __gc handler frame traversal is mishandled.. EPSS estimates a 2.86% chance of exploitation in the next 30 days.
Description
LuaJit through 2.1.0-beta3 has an out-of-bounds read because __gc handler frame traversal is mishandled.
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 | Update |
|---|---|---|---|
| Luajit | Luajit | <= 2.0.5 | — |
| Luajit | Luajit | 2.1.0 | Beta1 |
| Debian | Debian Linux | 9.0 | — |
| Canonical | Ubuntu Linux | 16.04 | — |
References
- https://github.com/LuaJIT/LuaJIT/issues/601Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00026.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/4501-1/Third Party Advisory
- https://github.com/LuaJIT/LuaJIT/issues/601Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00026.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/4501-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-15890?
LuaJit through 2.1.0-beta3 has an out-of-bounds read because __gc handler frame traversal is mishandled.
How severe is CVE-2020-15890?
CVE-2020-15890 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.86% probability of exploitation in the next 30 days.
How do I fix CVE-2020-15890?
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-2020-15890?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST