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CVE-2020-15813 DetailDescriptionGraylog before 3.3.3 lacks SSL Certificate Validation for LDAP servers. It allows use of an external user/group database stored in LDAP. The connection configuration allows the usage of unencrypted, SSL- or TLS-secured connections. Unfortunately, the Graylog client code (in all versions that support LDAP) does not implement proper certificate validation (regardless of whether the "Allow self-signed certificates" option is used). Therefore, any attacker with the ability to intercept network traffic between a Graylog server and an LDAP server is able to redirect traffic to a different LDAP server (unnoticed by the Graylog server due to the lack of certificate validation), effectively bypassing Graylog's authentication mechanism. Severity
CVSS 3.x Severity and Metrics:
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Weakness Enumeration
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Denotes Vulnerable Software Quick InfoCVE Dictionary Entry:CVE-2020-15813 NVD Published Date: 07/17/2020 NVD Last Modified: 07/22/2020 Source: MITRE |