Information disclosure in Siemens SIMATIC WinCC



Published: 2024-07-12
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-30321
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
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SIMATIC PCS 7
Server applications / SCADA systems

SIMATIC WinCC Runtime Professional
Server applications / SCADA systems

SIMATIC WinCC
Hardware solutions / Firmware

Vendor Siemens

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU94199

Risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-30321

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 the affected products do not properly handle certain requests to their web application. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SIMATIC PCS 7: 9.1

SIMATIC WinCC Runtime Professional: 18.0 - 19.0

SIMATIC WinCC: 7.4 - 8.0

External links

http://cert-portal.siemens.com/productcert/html/ssa-883918.html


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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