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CVE-2002-0697: Microsoft Metadirectory Services: Authentication bypass

CVE-2002-0697 has a CVSS v2 base score of 10.0 (the maximum on that scale) and affects Microsoft Metadirectory Services. Per its scoring, it can be exploited over the network, without authentication. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

Microsoft Metadirectory Services (MMS) 2.2 allows remote attackers to bypass authentication and modify sensitive data by using an LDAP client to directly connect to MMS and bypass the checks for MMS credentials.

Severity breakdown

CVSS v2.0 10.0: AV:N/AC:L/Au:N/C:C/I:C/A:C

• Access vector: Network. Exploitable remotely over the network.
• Access complexity: Low. No special conditions are required.
• Authentication: None. No authentication is needed.
• Confidentiality impact: Complete. Total information disclosure.
• Integrity impact: Complete. Total loss of integrity.
• Availability impact: Complete. Total shutdown of the component.

Affected products

• Microsoft Metadirectory Services: 2.2

References

• http://www.iss.net/security_center/static/9657.php
• http://www.securityfocus.com/bid/5308
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-036