MitM attack in SAP Plant Connectivity

1) Improper Verification of Cryptographic Signature

EUVDB-ID: #VU78835

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-2827

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to improper verification of cryptographic signature of the JSON Web Token (JWT) in the HTTP request sent from SAP Digital Manufacturing. A remote attacker can perform MitM attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Production Connector for SAP Digital Manufacturing: 1.0

SAP Plant Connectivity: 15.5

CPE2.3

• cpe:2.3:a:sap:production_connector_for_sap_digital_manufacturing:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:sap:sap_plant_connectivity:15.5:*:*:*:*:*:*:*

External links

http://dam.sap.com/mac/app/e/pdf/preview/embed/ucQrx6G?ltr=a&rc=10&june2023

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.