Is CVE-2020-26542 actively exploited?

CVE-2020-26542 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2020-26542?

CVE-2020-26542 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2020-26542?

Patch guidance is available from percona security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-26542.

Which products are affected by CVE-2020-26542?

1 product: percona percona server.

Fix CVE-2020-26542 - CRITICAL percona percona server

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-287 · Improper Authentication

Metadata

Primary Vendor: PERCONA
Published: 11/9/2020
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

percona : percona_server

Remediation Guidance

Executive Summary

Cite this page

CVE-2020-26542. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2020-26542

View on NIST NVD

CVE-2020-26542 vulnerability