Authentication bypass in SAP NetWeaver AS JAVA

1) Improper Authentication

EUVDB-ID: #VU48818

Risk: High

CVSSv3.1: 3.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-26829

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error when processing authentication requests within the P2P Cluster Communication component. A remote attacker can bypass authentication process and gain unauthorized access to the application.

Successful exploitation of the vulnerability may allow an attacker to compromise the server.

Mitigation

Install update from vendor's website.

Vulnerable software versions

SAP NetWeaver: 7.11 - 7.31

External links

http://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079

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.