Authentication bypass in Siemens Opcenter Quality



| Updated: 2022-07-14
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-33736
CWE-ID CWE-303
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 Opcenter Quality
Server applications / SCADA systems

Vendor Siemens

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Incorrect Implementation of Authentication Algorithm

EUVDB-ID: #VU65279

Risk: Medium

CVSSv3.1: 8.3 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-33736

CWE-ID: CWE-303 - Incorrect Implementation of Authentication Algorithm

Exploit availability: No

Description

The vulnerability allows a remote attacker to to bypass authentication process.

The vulnerability exists due to the affected application does not properly validate login information during authentication. A remote attacker on the local network can login without credentials.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Opcenter Quality: 13.1 - 13.2

CPE2.3 External links

http://cert-portal.siemens.com/productcert/pdf/ssa-944952.pdficsa-22-195-17


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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