Vulnerability Details : 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.
Vulnerability category: BypassGain privilege
Products affected by CVE-2020-26542
- cpe:2.3:a:percona:percona_server:*:*:*:*:*:mongodb:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-26542
0.70%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-26542
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-26542
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-26542
-
https://www.percona.com/doc/percona-distribution-mysql/8.0/release-notes-pxc-v8.0.20.upd2.html
Percona Distribution for MySQL 8.0.20 using Percona XtraDB Cluster Second UpdateRelease Notes;Vendor Advisory
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https://jira.percona.com/browse/PSMDB-726
Log in - Percona JIRAIssue Tracking;Permissions Required;Vendor Advisory
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https://jira.percona.com/browse/PS-7358
Log in - Percona JIRAIssue Tracking;Permissions Required;Vendor Advisory
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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/
Percona Distribution for MySQL (PXC Variant) 8.0.20, Fixes For Security Vulnerability: Release Roundup October 13, 2020 - Percona Database Performance BlogRelease Notes;Vendor Advisory
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