CVE-2020-36429

low-risk
Published 2021-07-20

Variant_encodeJson in open62541 1.x before 1.0.4 has an out-of-bounds write for a large recursion depth.

Do I need to act?

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0.08% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Open62541

Affected Vendors

Open62541

References (8)

Patch https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20578
Third Party Advisory https://github.com/google/oss-fuzz-vulns/blob/main/vulns/open62541/OSV-2020-153....
Patch https://github.com/open62541/open62541/commit/c800e2987b10bb3af6ef644b515b5d6392...
Patch https://github.com/open62541/open62541/compare/v1.0.3...v1.0.4
Patch https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20578
Third Party Advisory https://github.com/google/oss-fuzz-vulns/blob/main/vulns/open62541/OSV-2020-153....
Patch https://github.com/open62541/open62541/commit/c800e2987b10bb3af6ef644b515b5d6392...
Patch https://github.com/open62541/open62541/compare/v1.0.3...v1.0.4
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal