CVE-2020-26542
MongoDB Percona Server Authentication Bypassed for Blank Passwords
Description
An issue was discovered in the MongoDB Simple LDAP plugin through 2020-10-02 for Percona Server when using the SimpleLDAP authentication in conjunction with Microsoft’s Active Directory, Percona has discovered a flaw that would allow authentication to complete when passing a blank value for the account password, leading to access against the service integrated with which Active Directory is deployed at the level granted to the authenticating account.
INFO
Published Date :
Nov. 9, 2020, 8:15 p.m.
Last Modified :
Nov. 23, 2020, 8:50 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-2020-26542.
| URL | Resource |
|---|---|
| https://jira.percona.com/browse/PS-7358 | Issue Tracking Permissions Required Vendor Advisory |
| https://jira.percona.com/browse/PSMDB-726 | Issue Tracking Permissions Required Vendor Advisory |
| https://www.percona.com/blog/2020/10/13/percona-distribution-for-mysql-pxc-variant-8-0-20-fixes-for-security-vulnerability-release-roundup-october-13-2020/ | Release Notes Vendor Advisory |
| https://www.percona.com/doc/percona-distribution-mysql/8.0/release-notes-pxc-v8.0.20.upd2.html | Release Notes Vendor Advisory |
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-2020-26542 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-26542 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 -
Initial Analysis by [email protected]
Nov. 23, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) 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://jira.percona.com/browse/PS-7358 No Types Assigned https://jira.percona.com/browse/PS-7358 Issue Tracking, Permissions Required, Vendor Advisory Changed Reference Type https://jira.percona.com/browse/PSMDB-726 No Types Assigned https://jira.percona.com/browse/PSMDB-726 Issue Tracking, Permissions Required, Vendor Advisory Changed Reference Type https://www.percona.com/blog/2020/10/13/percona-distribution-for-mysql-pxc-variant-8-0-20-fixes-for-security-vulnerability-release-roundup-october-13-2020/ No Types Assigned https://www.percona.com/blog/2020/10/13/percona-distribution-for-mysql-pxc-variant-8-0-20-fixes-for-security-vulnerability-release-roundup-october-13-2020/ Release Notes, Vendor Advisory Changed Reference Type https://www.percona.com/doc/percona-distribution-mysql/8.0/release-notes-pxc-v8.0.20.upd2.html No Types Assigned https://www.percona.com/doc/percona-distribution-mysql/8.0/release-notes-pxc-v8.0.20.upd2.html Release Notes, Vendor Advisory Added CWE NIST CWE-287 Added CPE Configuration OR *cpe:2.3:a:percona:percona_server:*:*:*:*:*:mongodb:*:* versions up to (including) 2020-10-02 -
CVE Modified by [email protected]
Nov. 12, 2020
Action Type Old Value New Value Changed Description An issue was discovered in the MongoDB Simple LDAP plugin through 2020-10-02 for Percona Server. When used to authenticate against Microsoft Active Directory, it suffers from an authentication validation issue whereby a blank password can be used to authenticate with the service successfully. An issue was discovered in the MongoDB Simple LDAP plugin through 2020-10-02 for Percona Server when using the SimpleLDAP authentication in conjunction with Microsoft’s Active Directory, Percona has discovered a flaw that would allow authentication to complete when passing a blank value for the account password, leading to access against the service integrated with which Active Directory is deployed at the level granted to the authenticating account. Added Reference https://www.percona.com/doc/percona-distribution-mysql/8.0/release-notes-pxc-v8.0.20.upd2.html [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-26542 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-2020-26542
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.28 }} -0.01%
score
0.68713
percentile