CVE-2022-43398 Auth bypass in POWER METER SICAM Q100
Attackers can hijack user sessions by overwriting session cookies on Siemens SICAM Q100 power meters, leading to unauthorized account access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-43398?
CVE-2022-43398 is a high-severity authentication bypass vulnerability in Siemens POWER METER SICAM Q100, published on 8 Nov 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability has been identified in POWER METER SICAM Q100 (All versions < V2.50), POWER METER SICAM Q100 (All versions < V2.50), POWER METER SICAM Q100 (All versions < V2.50), POWER METER SICAM Q100 (All versions < V2.50). Affected devices do not renew the session cookie after login/logout and also accept user defined session cookies. An attacker could overwrite the stored session cookie of a user. After the victim logged in, the attacker is given access to the user's account through the activated session.
Weakness: CWE-384
Which versions are affected by CVE-2022-43398?
It affects 2 products.
Products include Siemens 7kg9501-0aa01-2aa1 Firmware, Siemens 7kg9501-0aa31-2aa1 Firmware.
How do I fix CVE-2022-43398?
No fix has been published for CVE-2022-43398 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2022-43398 being exploited?
There is no known exploitation of CVE-2022-43398 in the wild and no public exploit code.
Other vulnerabilities in Siemens POWER METER SICAM Q100
Sources
Also known as GHSA-fph2-95mp-m2fq.