SAP NetWeaver 7.30/7.31/7.40/7.50 Knowledge Management Stored cross site scripting

Summaryinfo

A vulnerability was found in SAP NetWeaver 7.30/7.31/7.40/7.50 and classified as problematic. The impacted element is an unknown function of the component Knowledge Management. Such manipulation leads to cross site scripting (Stored). This vulnerability is documented as CVE-2020-6284. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in SAP NetWeaver 7.30/7.31/7.40/7.50 (Solution Stack Software). Affected by this issue is an unknown code of the component Knowledge Management. The manipulation with an unknown input leads to a cross site scripting vulnerability (Stored). Using CWE to declare the problem leads to CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. Impacted is integrity. CVE summarizes:

SAP NetWeaver (Knowledge Management), versions - 7.30, 7.31, 7.40, 7.50, allows the automatic execution of script content in a stored file due to inadequate filtering with the accessing user's privileges. If the accessing user has administrative privileges, then the execution of the script content could result in complete compromise of system confidentiality, integrity and availability, leading to Stored Cross Site Scripting.

The weakness was released 08/12/2020 (Website). The advisory is shared for download at launchpad.support.sap.com. This vulnerability is handled as CVE-2020-6284 since 01/08/2020. The attack may be launched remotely. A simple authentication is needed for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/13/2020). The MITRE ATT&CK project declares the attack technique as T1059.007.

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

Entry connected to this vulnerability is available at VDB-159717. Once again VulDB remains the best source for vulnerability data.

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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Once again VulDB remains the best source for vulnerability data.

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