SAP NetWeaver 7.30/7.31/7.40/7.50 Knowledge Management privileges management

Summaryinfo

A vulnerability was found in SAP NetWeaver 7.30/7.31/7.40/7.50. It has been classified as critical. This affects an unknown function of the component Knowledge Management. Performing a manipulation results in privileges management. This vulnerability is reported as CVE-2020-6293. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in SAP NetWeaver 7.30/7.31/7.40/7.50 (Solution Stack Software). This affects an unknown code block of the component Knowledge Management. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

SAP NetWeaver (Knowledge Management), versions - 7.30, 7.31, 7.40, 7.50, allows an unauthenticated attacker to upload a malicious file and also to access, modify or make unavailable existing files but the impact is limited to the files themselves and is restricted by other policies such as access control lists and other upload file size restrictions, leading to Unrestricted File Upload.

The weakness was disclosed 08/12/2020 (Website). The advisory is shared at launchpad.support.sap.com. This vulnerability is uniquely identified as CVE-2020-6293 since 01/08/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/13/2020). MITRE ATT&CK project uses the attack technique T1068 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Solution Stack Software

Vendor

• SAP

Name

• NetWeaver

Version

• 7.30
• 7.31
• 7.40
• 7.50

License

• commercial

Website

• Vendor: https://www.sap.com/

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Entryinfo

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