Multiple vulnerabilities in SAP NetWeaver Master Data Management Server

Published: 2021-02-09

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE ID	CVE-2021-21475 CVE-2021-21472
CWE ID	CWE-22 CWE-521
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	SAP NetWeaver Master Data Management Server Web applications / Remote management & hosting panels
Vendor	SAP

Security Advisory

1) Path traversal

Risk: Medium

CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-21475

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in SAP NetWeaver Master Data Management. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SAP NetWeaver Master Data Management Server: 710, 710.750

CPE

External links

https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=568460543
https://launchpad.support.sap.com/#/notes/3000897

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.

2) Weak password requirements

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-21472

CWE-ID: CWE-521 - Weak Password Requirements