Auth bypass in Percona Percona_server

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 authe…

Vulnerability class: Broken Authentication

EPSS: 0.015 (71.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (x_refsource_CONFIRM, Release Notes, Vendor Advisory)
  • cve@mitre.org (Permissions Required, x_refsource_MISC, Issue Tracking, Vendor Advisory)
  • cve@mitre.org (Permissions Required, x_refsource_MISC, Issue Tracking, Vendor Advisory)
  • cve@mitre.org (x_refsource_CONFIRM, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2020-26542?
CVE-2020-26542 is a critical-severity vulnerability in Percona Percona_server, classified under Improper Authentication. CVSS score: 9.8/10. Published 2020-11-09.
How severe is CVE-2020-26542?
Critical severity. CVSS v3 base score is 9.8 out of 10.