CVE-2021-46880
LibreSSL/OpenBSD x509 Authentication Bypass
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.
INFO
Published Date :
April 15, 2023, 12:15 a.m.
Last Modified :
May 17, 2023, 8:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-46880.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-46880 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-46880 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 17, 2023
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20230517-0006/ [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 24, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.4.2-relnotes.txt No Types Assigned https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.4.2-relnotes.txt Release Notes Changed Reference Type https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/006_x509.patch.sig No Types Assigned https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/006_x509.patch.sig Patch Changed Reference Type https://github.com/openbsd/src/commit/3f851282810fa0ab4b90b3b1ecec2e8717ef16f8 No Types Assigned https://github.com/openbsd/src/commit/3f851282810fa0ab4b90b3b1ecec2e8717ef16f8 Patch Added CWE NIST CWE-295 Added CPE Configuration OR *cpe:2.3:a:openbsd:libressl:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.2 *cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:* versions up to (excluding) 7.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-46880 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-46880
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.12 }} 0.02%
score
0.47307
percentile