CVE-2022-33138 Missing authorization in SIMATIC MV540 H
Unauthenticated remote attackers can read and download data from affected Siemens SIMATIC vision sensors due to missing authentication on web API endpoints.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-33138?
CVE-2022-33138 is a high-severity missing authorization vulnerability in Siemens SIMATIC MV540 H, published on 12 Jul 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been identified in SIMATIC MV540 H (All versions < V3.3), SIMATIC MV540 S (All versions < V3.3), SIMATIC MV550 H (All versions < V3.3), SIMATIC MV550 S (All versions < V3.3), SIMATIC MV560 U (All versions < V3.3), SIMATIC MV560 X (All versions < V3.3). Affected devices do not perform authentication for several web API endpoints. This could allow an unauthenticated remote attacker to read and download data from the device.
Weakness: CWE-306
Which versions are affected by CVE-2022-33138?
It affects 6 products.
Products include Siemens Simatic Mv540 H Firmware, Siemens Simatic Mv540 S Firmware, Siemens Simatic Mv550 H Firmware, Siemens Simatic Mv550 S Firmware, Siemens Simatic Mv560 U Firmware, Siemens Simatic Mv560 X Firmware.
How do I fix CVE-2022-33138?
No fix has been published for CVE-2022-33138 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2022-33138 being exploited?
There is no known exploitation of CVE-2022-33138 in the wild and no public exploit code.
Other vulnerabilities in Siemens SIMATIC MV540 H
Sources
Also known as GHSA-c482-89c3-ccmp.