CVE-2023-1256 CVE-2023-1256
Unauthenticated attackers can remotely read data, cause denial of service, and tamper with alarm states in AVEVA Plant SCADA and Telemetry Server.
- 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-2023-1256?
CVE-2023-1256 is a critical missing authorization vulnerability in AVEVA Plant SCADA, published on 16 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The listed versions of AVEVA Plant SCADA and AVEVA Telemetry Server are vulnerable to an improper authorization exploit which could allow an unauthenticated user to remotely read data, cause denial of service, and tamper with alarm states.
Which versions are affected by CVE-2023-1256?
It affects 2 products.
Products include Aveva Aveva Plant Scada, Aveva Telemetry Server.
How do I fix CVE-2023-1256?
No fix has been published for CVE-2023-1256 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-2023-1256 being exploited?
There is no known exploitation of CVE-2023-1256 in the wild and no public exploit code.
Sources
Also known as GHSA-22mx-qh6h-fcv2.