#VU46637 Stored cross-site scripting in SAP NetWeaver - CVE-2020-6313

Vulnerability identifier: #VU46637

Vulnerability risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-6313

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SAP NetWeaver
Server applications / Application servers

Vendor: SAP

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in SAP NetWeaver AS Java. The vulnerability allows an authenticated User with special roles to store malicious content, that when accessed by a victim, can perform malicious actions by executing JavaScript, leading to Stored Cross-Site Scripting.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability..

Vulnerable software versions

SAP NetWeaver: 7.30 - 7.50

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External links
https://launchpad.support.sap.com/#/notes/2953112
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=557449700

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.