CVE-2021-31338 Missing authorization in SINEMA Remote Connect Client
A local attacker can modify configuration settings via an unauthenticated channel to escalate privileges and execute arbitrary code on the device.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-31338?
CVE-2021-31338 is a high-severity missing authorization vulnerability in Siemens SINEMA Remote Connect Client, published on 19 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability has been identified in SINEMA Remote Connect Client (All versions < V3.0 SP1). Affected devices allow to modify configuration settings over an unauthenticated channel. This could allow a local attacker to escalate privileges and execute own code on the device.
Weakness: CWE-15
Which versions are affected by CVE-2021-31338?
It affects 1 product.
Products include Siemens Sinema Remote Connect.
How do I fix CVE-2021-31338?
No fix has been published for CVE-2021-31338 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-2021-31338 being exploited?
There is no known exploitation of CVE-2021-31338 in the wild and no public exploit code.
Sources
Also known as GHSA-qcvh-w68r-q938.