CVE-2020-36429

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Published Jul 20, 2021 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Description

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

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:open62541:open62541:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-23957	Variant_encodeJson in open62541 1.x before 1.0.4 has an out-of-bounds write for a large recursion depth.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.310% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20578
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/open62541/OSV-2020-153.yaml
https://github.com/open62541/open62541/commit/c800e2987b10bb3af6ef644b515b5d6392f8861d
https://github.com/open62541/open62541/compare/v1.0.3...v1.0.4

History

No history.

Subscriptions

Open62541 Open62541

Weaknesses

CWE-787

Sources

CVE record Updated: Aug 4, 2024, 5:30 PM

Status: PUBLISHED
Assigner: mitre
Published: Jul 20, 2021, 6:47 AM
Updated: Aug 4, 2024, 5:30 PM
Reserved: Jul 20, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:15 AM

Status: Modified
Published: Jul 20, 2021, 7:15 AM
Modified: Jun 17, 2026, 3:15 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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