CVE-2019-20791 - Vulnerability Details - OpenCVE

Description

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

Published: 2020-04-28

Score: 9.8 Critical

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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 vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

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.

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.

The EPSS score is 0.00878.

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

Sun, 13 Jul 2025 13:45:00 +0000

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

Subscriptions

Google Openthread

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-04-28T17:35:52.000Z

Updated: 2024-08-05T02:53:09.207Z

Reserved: 2020-04-28T00:00:00.000Z

Link: CVE-2019-20791

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-04-28T18:15:12.660

Modified: 2026-06-17T02:31:12.183

Link: CVE-2019-20791

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-787
Out-of-bounds Write

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