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CVE-2021-46880

Date: April 13, 2023

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.

Language: C

Severity Score

Related Resources (6)

https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.4.2-relnotes.txt
https://security.netapp.com/advisory/ntap-20230517-0006/
https://github.com/openbsd/src/commit/3f851282810fa0ab4b90b3b1ecec2e8717ef16f8
https://nvd.nist.gov/vuln/detail/CVE-2021-46880
https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/006_x509.patch.sig
https://www.mend.io/vulnerability-database/CVE-2021-46880

Severity Score

Weakness Type (CWE)

Improper Certificate Validation

CWE-295

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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