Cross-site scripting in SAP NetWeaver AS Java

Published: 2020-09-11

Risk	Medium
Patch available	NO
Number of vulnerabilities	2
CVE-ID	CVE-2020-6326 CVE-2020-6313
CWE-ID	CWE-79
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	SAP NetWeaver Server applications / Application servers
Vendor	SAP

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Stored cross-site scripting

EUVDB-ID: #VU46636

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-2020-6326

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

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. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

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

Install updates from vendor's website.

Vulnerable software versions

SAP NetWeaver: 7.30 - 7.50

CPE2.3

External links

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

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.

2) Stored cross-site scripting

EUVDB-ID: #VU46637