CVE-2020-16100 Denial of service in Command Centre

High 7.5 Published 15 Sep 2020 Updated 4 Aug 2024

Unauthenticated remote attackers can crash the DCOM websocket thread, causing a denial of service for configuration clients.

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-2020-16100?

CVE-2020-16100 is a high-severity denial of service vulnerability in Gallagher Command Centre, published on 15 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

It is possible for an unauthenticated remote DCOM websocket connection to crash the Command Centre service's DCOM websocket thread due to improper shutdown of closed websocket connections, preventing it from accepting future DCOM websocket (Configuration Client) connections. Affected versions are v8.20 prior to v8.20.1166(MR3), v8.10 prior to v8.10.1211(MR5), v8.00 prior to v8.00.1228(MR6), all versions of 7.90 and earlier.

Weakness: CWE-404

Which versions are affected by CVE-2020-16100?

It affects 1 product.

Products include Gallagher Command Centre.

How do I fix CVE-2020-16100?

No fix has been published for CVE-2020-16100 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-2020-16100 being exploited?

There is no known exploitation of CVE-2020-16100 in the wild and no public exploit code.

Sources

Also known as GHSA-gch3-m29m-g8x5.