CVEvulnerability
CVE-2021-46880
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2023-04-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-295
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 configurations
• openbsd libressl (< 3.4.2)
• openbsd openbsd (< 7.0)
Related
Weakness · CWE (1)
- CWE-295 Improper Certificate Validation weakness
References
- 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/ security.netapp.com
- 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/ security.netapp.com