CVE-2021-23140 Missing authorization in Command Centre

Critical 9.9 Published 11 Jun 2021 Updated 3 Aug 2024

An unauthorized operator can modify command line macros in Gallagher Command Centre Server due to improper authorization checks.

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-2021-23140?

CVE-2021-23140 is a critical missing authorization vulnerability in Gallagher Command Centre, published on 11 Jun 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper Authorization vulnerability in Gallagher Command Centre Server allows command line macros to be modified by an unauthorised Command Centre Operator. This issue affects: Gallagher Command Centre 8.40 versions prior to 8.40.1888 (MR3); 8.30 versions prior to 8.30.1359 (MR3); 8.20 versions prior to 8.20.1259 (MR5); version 8.10 and prior versions.

Weakness: CWE-285

Which versions are affected by CVE-2021-23140?

It affects 1 product.

Products include Gallagher Command Centre.

How do I fix CVE-2021-23140?

No fix has been published for CVE-2021-23140 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-2021-23140 being exploited?

There is no known exploitation of CVE-2021-23140 in the wild and no public exploit code.

Sources

Also known as GHSA-wh2j-wj4x-j48f.