Information disclosure in Siemens Opcenter Quality and QMS Automotive



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-27389
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Opcenter Quality
Server applications / SCADA systems

QMS Automotive
Server applications / SCADA systems

Vendor Siemens

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU52256

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-27389

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a private sign key is shipped with the product without adequate protection. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Opcenter Quality: before 12.2

QMS Automotive: before 12.30

CPE2.3 External links

https://cert-portal.siemens.com/productcert/txt/ssa-788287.txt


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

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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