#VU80681 Improper Authentication in CommonCryptoLib


Published: 2023-09-12

Vulnerability identifier: #VU80681

Vulnerability risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-40309

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CommonCryptoLib
Universal components / Libraries / Libraries used by multiple products

Vendor: SAP

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in SAP CommonCryptoLib. A remote attacker can bypass authentication process and gain unauthorized access to the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CommonCryptoLib: 8


External links
http://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html?september2023


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.


Latest bulletins with this vulnerability