CVE-2020-36429
MEDIUM
5.5
CVSS Score
Published: July 20, 2021 at 06:47 AM UTC
Updated: June 17, 2026 at 03:15 AM UTC
1 product affected across 1 vendorOPEN62541
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
Description
Variant_encodeJson in open62541 1.x before 1.0.4 has an out-of-bounds write for a large recursion depth.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
OPEN62541· OPEN62541c-cpp
95%1.0.0 ≤ v < 1.0.4
Affected range stops below 1.0.4, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20578x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/open62541/OSV-2020-153.yamlx_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/open62541/open62541/commit/c800e2987b10bb3af6ef644b515b5d6392f8861dx_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/open62541/open62541/compare/v1.0.3...v1.0.4CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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