CVE-2021-44222 Missing authorization in SIMATIC eaSie Core Package
Unauthenticated remote attackers can send arbitrary messages to the MQTT service, potentially issuing arbitrary requests in the system.
- 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-2021-44222?
CVE-2021-44222 is a critical missing authorization vulnerability in Siemens SIMATIC eaSie Core Package, 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 eaSie Core Package (All versions < V22.00). The underlying MQTT service of affected systems does not perform authentication in the default configuration. This could allow an unauthenticated remote attacker to send arbitrary messages to the service and thereby issue arbitrary requests in the affected system.
Weakness: CWE-306
Which versions are affected by CVE-2021-44222?
It affects 1 product.
Products include Siemens Simatic Easie Core Package.
How do I fix CVE-2021-44222?
No fix has been published for CVE-2021-44222 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-2021-44222 being exploited?
There is no known exploitation of CVE-2021-44222 in the wild and no public exploit code.
Other vulnerabilities in Siemens SIMATIC eaSie Core Package
Sources
Also known as GHSA-4mhg-63jh-q754.