CVE-2019-20791

View on CVE.org

Published Apr 28, 2020 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed

Description

OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner::GeneratePskc.

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:o:google:openthread:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2019-11328	OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner::GeneratePskc.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.878% 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=19386
https://github.com/openthread/openthread/commit/b8c3161281f8e15873f8decabd8eac461717aefe
https://github.com/openthread/openthread/commit/c3a3a0c424322009fec3ab735fb20ce8f6e19e70

History

Jul 13, 2025 1:45 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00358}`	epss `{'score': 0.00399}`

Subscriptions

Google Openthread

Weaknesses

CWE-787

Sources

CVE record Updated: Aug 5, 2024, 2:53 AM

Status: PUBLISHED
Assigner: mitre
Published: Apr 28, 2020, 5:35 PM
Updated: Aug 5, 2024, 2:53 AM
Reserved: Apr 28, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 2:31 AM

Status: Modified
Published: Apr 28, 2020, 6:15 PM
Modified: Jun 17, 2026, 2:31 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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