CVE-2020-8473 ABB System 800xA Weak File Permissions - ABB System 800xA Base
Low-privileged users can read, modify, or delete system files in ABB System 800xA Base due to insufficient folder permissions, 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
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-8473?
CVE-2020-8473 is a high-severity missing authorization vulnerability in ABB System 800xA Base, published on 28 Apr 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Insufficient folder permissions used by system functions in ABB System 800xA Base (version 6.1 and earlier) allow low privileged users to read, modify, add and delete system and application files. An authenticated attacker who successfully exploit 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-2020-8473?
It affects 1 product.
Products include Abb 800xa Base System.
How do I fix CVE-2020-8473?
No fix has been published for CVE-2020-8473 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-2020-8473 being exploited?
There is no known exploitation of CVE-2020-8473 in the wild and no public exploit code.
Other vulnerabilities in ABB System 800xA Base
Sources
Also known as GHSA-xphv-67vw-89c5.