CVE-2020-8472 ABB System 800xA Weak File Permissions - different products
Low-privileged users can read, modify, or delete system files in ABB System 800xA products, leading to privilege escalation and application corruption.
- 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-2020-8472?
CVE-2020-8472 is a medium-severity missing authorization vulnerability in ABB Base Software for SoftControl, published on 28 Apr 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Insufficient folder permissions used by system functions in ABB System 800xA products OPCServer for AC800M (versions 6.0 and earlier) and Control Builder M Professional, MMSServer for AC800M, Base Software for SoftControl (version 6.1 and earlier) allow low privileged users to read, modify, add and delete system and application files. An authenticated attacker who successfully exploited the vulnerabilities could escalate his/her privileges, cause system functions to stop and to corrupt user applications.
Weakness: CWE-732
Which versions are affected by CVE-2020-8472?
It affects 4 products.
Products include Abb Base Software, Abb Control Builder M, Abb Mms Server, Abb Opc Server.
How do I fix CVE-2020-8472?
No fix has been published for CVE-2020-8472 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-2020-8472 being exploited?
There is no known exploitation of CVE-2020-8472 in the wild and no public exploit code.
Other vulnerabilities in ABB Base Software for SoftControl
Sources
Also known as GHSA-8mqc-2jhr-7v56.