What’s Vulnerable › Vulnerabilities
CVE-2020-26542
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-11-09 · updated 2026-06-17
- Weakness: CWE-287
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.
Affected products
- Percona Server: through 2020-10-02
References
- 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
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