What is the severity of CVE-2021-23140?

CVE-2021-23140 is classified as a high severity vulnerability due to improper authorization that could allow unauthorized modification of command line macros.

How do I fix CVE-2021-23140?

To mitigate CVE-2021-23140, upgrade Gallagher Command Centre to version 8.40.1888 or later, 8.30.1359 or later, or 8.20.1259 or later.

Who is affected by CVE-2021-23140?

CVE-2021-23140 affects Gallagher Command Centre versions prior to 8.40.1888, 8.30.1359, and 8.20.1259.

What causes CVE-2021-23140?

CVE-2021-23140 is caused by improper authorization that allows unauthorised users to modify command line macros.

Is there a workaround for CVE-2021-23140?

Currently, the only effective solution for CVE-2021-23140 is to apply the relevant software updates.

Vulnerability/
CVE-2021-23140

critical

9.9

CWE

285

11/6/2021

26/4/2022

CVE-2021-23140

First published: Fri Jun 11 2021(Updated: )

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.

Credit: disclosures@gallagher.com

Affected Software	Affected Version	How to fix
Gallagher Command Centre	<=8.10
Gallagher Command Centre	>=8.20<8.20.1259
Gallagher Command Centre	>=8.30<8.30.1359
Gallagher Command Centre	>=8.40<8.40.1888

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Reference Links

https://security.gallagher.com/Security-Advisories/CVE-2021-23140

Frequently Asked Questions

What is the severity of CVE-2021-23140?
CVE-2021-23140 is classified as a high severity vulnerability due to improper authorization that could allow unauthorized modification of command line macros.
How do I fix CVE-2021-23140?
To mitigate CVE-2021-23140, upgrade Gallagher Command Centre to version 8.40.1888 or later, 8.30.1359 or later, or 8.20.1259 or later.
Who is affected by CVE-2021-23140?
CVE-2021-23140 affects Gallagher Command Centre versions prior to 8.40.1888, 8.30.1359, and 8.20.1259.
What causes CVE-2021-23140?
CVE-2021-23140 is caused by improper authorization that allows unauthorised users to modify command line macros.
Is there a workaround for CVE-2021-23140?
Currently, the only effective solution for CVE-2021-23140 is to apply the relevant software updates.

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vendor/gallagher
canonical/gallagher command centre
version/gallagher command centre/8.10
version/gallagher command centre/8.20
version/gallagher command centre/8.30
version/gallagher command centre/8.40

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