CVE-2021-46880

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

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

History

21 Nov 2024, 06:34

Type	Values Removed	Values Added
References	~~() https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.4.2-relnotes.txt - Release Notes~~	() https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.4.2-relnotes.txt - Release Notes
References	~~() https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/006_x509.patch.sig - Patch~~	() https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/006_x509.patch.sig - Patch
References	~~() https://github.com/openbsd/src/commit/3f851282810fa0ab4b90b3b1ecec2e8717ef16f8 - Patch~~	() https://github.com/openbsd/src/commit/3f851282810fa0ab4b90b3b1ecec2e8717ef16f8 - Patch
References	~~() https://security.netapp.com/advisory/ntap-20230517-0006/ -~~	() https://security.netapp.com/advisory/ntap-20230517-0006/ -

Information

Published : 2023-04-15 00:15

Updated : 2025-02-07 16:15

NVD link : CVE-2021-46880

Mitre link : CVE-2021-46880

CVE.ORG link : CVE-2021-46880

JSON object : View

Products Affected

openbsd

libressl
openbsd

CWE

CWE-295

Improper Certificate Validation

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