CVE-2020-36429
MEDIUMCVSS 5.5/10EPSS 0.31%
Last modified
CVE-2020-36429 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Variant_encodeJson in open62541 1.x before 1.0.4 has an out-of-bounds write for a large recursion depth.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.
Description
Variant_encodeJson in open62541 1.x before 1.0.4 has an out-of-bounds write for a large recursion depth.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Open62541 | Open62541 | >= 1.0.0, < 1.0.4 |
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20578Patch, Third Party Advisory
- https://github.com/open62541/open62541/commit/c800e2987b10bb3af6ef644b515b5d6392f8861dPatch, Third Party Advisory
- https://github.com/open62541/open62541/compare/v1.0.3...v1.0.4Patch, Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20578Patch, Third Party Advisory
- https://github.com/open62541/open62541/commit/c800e2987b10bb3af6ef644b515b5d6392f8861dPatch, Third Party Advisory
- https://github.com/open62541/open62541/compare/v1.0.3...v1.0.4Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-36429?
Variant_encodeJson in open62541 1.x before 1.0.4 has an out-of-bounds write for a large recursion depth.
How severe is CVE-2020-36429?
CVE-2020-36429 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.
How do I fix CVE-2020-36429?
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-2020-36429?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST