CVE-2020-7484 Denial of service in TriStation TS1131 (v4.0.0 to v4.9.0, v4.10.0)
A denial of service vulnerability in TriStation TS1131 requires users to deviate from documented connection and key-switch guidelines.
- 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-2020-7484?
CVE-2020-7484 is a high-severity denial of service vulnerability in TriStation TS1131 (v4.0.0 to v4.9.0, v4.10.0), published on 15 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
**VERSION NOT SUPPORTED WHEN ASSIGNED** A vulnerability with the former 'password' feature could allow a denial of service attack if the user is not following documented guidelines pertaining to dedicated TriStation connection and key-switch protection. This vulnerability was discovered and remediated in versions v4.9.1 and v4.10.1 on May 30, 2013. This feature is not present in version v4.9.1 and v4.10.1 through current. Therefore, the vulnerability is not present in these versions.
Which versions are affected by CVE-2020-7484?
It affects 1 product.
Products include Schneider-Electric Tristation 1131.
How do I fix CVE-2020-7484?
No fix has been published for CVE-2020-7484 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-7484 being exploited?
There is no known exploitation of CVE-2020-7484 in the wild and no public exploit code.
Other vulnerabilities in TriStation TS1131 (v4.0.0 to v4.9.0, v4.10.0)
Sources
Also known as GHSA-4xr5-jcrf-96w3.