#VU69169 Session Fixation in POWER METER SICAM Q100 (7KG9501-0AA31-2AA1) and POWER METER SICAM Q100 (7KG9501-0AA01-2AA1) - CVE-2022-43398

Vulnerability identifier: #VU69169

Vulnerability risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-43398

CWE-ID: CWE-384

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
POWER METER SICAM Q100 (7KG9501-0AA31-2AA1)
Hardware solutions / Firmware
POWER METER SICAM Q100 (7KG9501-0AA01-2AA1)
Hardware solutions / Firmware

Vendor: Siemens

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the session fixation issue. A remote attacker can overwrite the stored session cookie of a user and gain access to the user's account through the activated session.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

POWER METER SICAM Q100 (7KG9501-0AA31-2AA1): before 2.50

POWER METER SICAM Q100 (7KG9501-0AA01-2AA1): before 2.50

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External links
https://cert-portal.siemens.com/productcert/pdf/ssa-570294.pdficsa-22-314-11

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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.