An issue was discovered in the MongoDB Simple LDAP plugin through 2020-10-02 for Percona…
Priority MEDIUM 45CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
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.
Why it matters now
EPSS 0.01538 75th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-26542
- 2026-10-03 Alias added: GHSA-q88m-4hg8-4h3h
References
Advisory 4
- 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://jira.percona.com/browse/PS-7358
- https://jira.percona.com/browse/PSMDB-726
- https://www.percona.com/doc/percona-distribution-mysql/8.0/release-notes-pxc-v8.0.20.upd2.html
More Percona Server vulnerabilities
- TI-2016-05707 Oracle MySQL through 5.5.52, 5.6.x through 5.6.33, and 5.7.x through 5.7.15; MariaDB… CVSS 3.0CRITICAL 9.8
- TI-2021-09261 A remote code execution issue was discovered in MariaDB 10.2 before 10.2.37, 10.3 before… CVSS 3.1HIGH 7.2
- TI-2019-09177 The Percona Server 5.6.44-85.0-1 packages for Debian and Ubuntu suffered an issue where… CVSS 3.0CRITICAL 9.8
- TI-2016-05708 Race condition in Oracle MySQL before 5.5.52, 5.6.x before 5.6.33, 5.7.x before 5.7.15… CVSS 3.0HIGH 7.0
- TI-2016-05709 mysqld_safe in Oracle MySQL through 5.5.51, 5.6.x through 5.6.32, and 5.7.x through… CVSS 3.1HIGH 7.0
- TI-2022-15733 An issue in the fetch_step function in Percona Server for MySQL v8.0.28-19 allows… CVSS 3.1HIGH 7.5
Sources
- CVE-2020-26542 · CVE Program
- CVE-2020-26542 · NVD
- FIRST EPSS
- GHSA-q88m-4hg8-4h3h · GitHub Advisory Database · CC BY 4.0
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