A vulnerability was found in SAP NetWeaver AS JAVA 7.3/7.4/7.5 (Solution Stack Software) and classified as very critical. Affected by this issue is an unknown part of the component LM Configuration Wizard. The manipulation with an unknown input leads to a improper authentication vulnerability (RECON). Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. CVE summarizes:

SAP NetWeaver AS JAVA (LM Configuration Wizard), versions - 7.30, 7.31, 7.40, 7.50, does not perform an authentication check which allows an attacker without prior authentication to execute configuration tasks to perform critical actions against the SAP Java system, including the ability to create an administrative user, and therefore compromising Confidentiality, Integrity and Availability of the system, leading to Missing Authentication Check.

The weakness was shared 07/14/2020 with Onapsis as 552599675 / 2934135 (Website). The advisory is available at onapsis.com. The vendor cooperated in the coordination of the public release. This vulnerability is handled as CVE-2020-6287. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/20/2024).

A public exploit has been developed by Spencer McIntyre (zeroSteiner) in Ruby/Metasploit and been published 2 weeks after the advisory. The exploit is available at github.com. It is declared as highly functional. As 0-day the estimated underground price was around $100k and more. This issue was added on 11/03/2021 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 05/03/2022:

Apply updates per vendor instructions.

Applying a patch is able to eliminate this problem. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

zdnet.com is providing further details.

Affected

• SAP Enterprise Resource Planning
• SAP Product Lifecycle Management
• SAP Customer Relationship Management
• SAP Supply Chain Management
• SAP Supplier Relationship Management
• SAP NetWeaver Business Warehouse
• SAP Business Intelligence
• SAP NetWeaver Mobile Infrastructure
• SAP Enterprise Portal
• SAP Process Orchestration/Process Integration
• SAP Solution Manager
• SAP NetWeaver Development Infrastructure
• SAP Central Process Scheduling
• SAP NetWeaver Composition Environment
• SAP Landscape Manager

Productinfo

Type

• Solution Stack Software

Vendor

• SAP

Name

• NetWeaver AS JAVA

Version

• 7.3
• 7.4
• 7.5

License

• commercial

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