CVE-2021-46880

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Published Apr 14, 2023 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed

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.

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 [-]

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

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-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.

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

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.568% probability within 30 days)

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

Feb 7, 2025 4:15 PM Scoring metrics updated View changes

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

Subscriptions

Openbsd Libressl Openbsd

Weaknesses

CWE-295

Sources

CVE record Updated: Feb 7, 2025, 4:08 PM

Status: PUBLISHED
Assigner: mitre
Published: Apr 14, 2023, 12:00 AM
Updated: Feb 7, 2025, 4:08 PM
Reserved: Apr 14, 2023, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 4, 2024, 5:17 AM

Updated: Aug 4, 2024, 5:17 AM

NVD Updated: Jun 17, 2026, 4:15 AM

Status: Modified
Published: Apr 15, 2023, 12:15 AM
Modified: Jun 17, 2026, 4:15 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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