CVE-2020-24674 Improper Authorization in Symphony Plus
Authenticated remote users can bypass permission checks to execute arbitrary code, escalate privileges, or cause denial of service in ABB Symphony Plus systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-24674?
CVE-2020-24674 is a high-severity missing authorization vulnerability in ABB Ability™ Symphony® Plus Historian, published on 22 Dec 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In S+ Operations and S+ Historian, not all client commands correctly check user permission as expected. Authenticated but Unauthorized remote users could execute a Denial-of-Service (DoS) attack, execute arbitrary code, or obtain more privilege than intended on the machines.
Which versions are affected by CVE-2020-24674?
It affects 2 products.
Products include Abb Symphony \+ Historian, Abb Symphony \+ Operations.
How do I fix CVE-2020-24674?
No fix has been published for CVE-2020-24674 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-2020-24674 being exploited?
There is no known exploitation of CVE-2020-24674 in the wild and no public exploit code.
Other vulnerabilities in ABB Ability™ Symphony® Plus Historian
Sources
Also known as GHSA-895q-vqrm-2jch.