Siemens SICAM MMU/SICAM SGU/SICAM T Web Application authentication replay

Summaryinfo

A vulnerability was found in Siemens SICAM MMU, SICAM SGU and SICAM T and classified as critical. This issue affects some unknown processing of the component Web Application. Executing a manipulation can lead to authentication replay. This vulnerability appears as CVE-2020-10045. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Siemens SICAM MMU, SICAM SGU and SICAM T (the affected version is unknown) and classified as critical. This vulnerability affects an unknown code of the component Web Application. The manipulation with an unknown input leads to a authentication replay vulnerability. The CWE definition for the vulnerability is CWE-294. A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified in SICAM MMU (All versions < V2.05), SICAM SGU (All versions), SICAM T (All versions < V2.18). An error in the challenge-response procedure could allow an attacker to replay authentication traffic and gain access to protected areas of the web application.

The weakness was presented 07/14/2020 (Website). The advisory is shared for download at cert-portal.siemens.com. This vulnerability was named CVE-2020-10045 since 03/04/2020. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1040.

Upgrading eliminates this vulnerability.

See VDB-158000, VDB-158002, VDB-158001 and VDB-158003 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• Siemens

Name

• SICAM MMU
• SICAM SGU
• SICAM T

License

• commercial

Website

• Vendor: https://www.siemens.com/

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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