CVE-2021-46880 - Vulnerability Details - OpenCVE

Description

x509/x509_verify.c in LibreSSL before 3.4.2, and OpenBSD before 7.0 errata 006, allows authentication bypass because an error for an unverified certificate chain is sometimes discarded.

Published: 2023-04-14

Score: 9.8 Critical

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

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 [-]

OR	cpe:2.3:a:openbsd:libressl::::::::
	cpe:2.3:o:openbsd:openbsd::::::::

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-33530	x509/x509_verify.c in LibreSSL before 3.4.2, and OpenBSD before 7.0 errata 006, allows authentication bypass because an error for an unverified certificate chain is sometimes discarded.

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

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00028.

Exploitation none

Automatable yes

Technical Impact total

References

Link	Providers
https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.4.2-relnotes.txt
https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/006_x509.patch.sig
https://github.com/openbsd/src/commit/3f851282810fa0ab4b90b3b1ecec2e8717ef16f8
https://security.netapp.com/advisory/ntap-20230517-0006/

History

Fri, 07 Feb 2025 16:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Openbsd Libressl Openbsd

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-04-14T00:00:00.000Z

Updated: 2025-02-07T16:08:02.941Z

Reserved: 2023-04-14T00:00:00.000Z

Link: CVE-2021-46880

Vulnrichment

Updated: 2024-08-04T05:17:42.849Z

NVD

Status : Modified

Published: 2023-04-15T00:15:07.410

Modified: 2025-02-07T16:15:33.210

Link: CVE-2021-46880

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-295

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