Vulnerability Report

CVE-2020-26542

Title: Blank password auth bypass in MongoDB Simple LDAP plugin

Authentication Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2020-26542.

CWE Category CWE-287
Published Date Nov 09, 2020
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 9.8 CVSS v3.1
Exploit Probability (EPSS)
0.50%

Vulnerability Summary

CVE-2020-26542: 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.

Impacted Vendors

P
percona 1

Reference Links

https://jira.percona.com/browse/PS-7358 https://jira.percona.com/browse/PSMDB-726 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/ https://www.percona.com/doc/percona-distribution-mysql/8.0/release-notes-pxc-v8.0.20.upd2.html https://jira.percona.com/browse/PS-7358 https://jira.percona.com/browse/PSMDB-726 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/ https://www.percona.com/doc/percona-distribution-mysql/8.0/release-notes-pxc-v8.0.20.upd2.html
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-26542 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.