Authentication bypass in Siemens Opcenter Quality
| 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 Subscribe |
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
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsOpcenter Quality: 13.1 - 13.2
External linkshttp://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.
