CVE-2020-8484 ABB System 800xA Inter process communication vulnerability - 800xA for DCI
Authenticated local attackers can inject data to read/write controllers or crash processes in ABB System 800xA for DCI.
- 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-2020-8484?
CVE-2020-8484 is a high-severity missing authorization vulnerability in ABB 800xA for DCI, published on 29 Apr 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Insufficient protection of the inter-process communication functions in ABB System 800xA for DCI (all published versions) enables an attacker authenticated on the local system to inject data, allowing reads and writes to the controllers or cause windows processes to crash.
Weakness: CWE-264
Which versions are affected by CVE-2020-8484?
It affects 1 product.
Products include Abb 800xa.
How do I fix CVE-2020-8484?
No fix has been published for CVE-2020-8484 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-2020-8484 being exploited?
There is no known exploitation of CVE-2020-8484 in the wild and no public exploit code.
Other vulnerabilities in ABB 800xA for DCI
Sources
Also known as GHSA-2x2x-f8f2-vqmf.