#VU55676 Server-Side Request Forgery (SSRF) in SAP NetWeaver Enterprise Portal - CVE-2021-33705

Vulnerability identifier: #VU55676

Vulnerability risk: High

CVSSv4.0: 8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:L/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-33705

CWE-ID: CWE-918

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SAP NetWeaver Enterprise Portal
Web applications / CRM systems

Vendor: SAP

Description

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SAP NetWeaver Enterprise Portal: 7.10 - 7.50

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External links
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=582222806
https://launchpad.support.sap.com/#/notes/3074844

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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