What is the severity of CVE-2021-23205?

CVE-2021-23205 is considered a critical vulnerability due to its potential to allow unauthorized configuration changes in Gallagher Command Centre.

How do I fix CVE-2021-23205?

To fix CVE-2021-23205, upgrade Gallagher Command Centre to version 8.40.1888 or later, or to version 8.30.1359 or later.

Which versions of Gallagher Command Centre are affected by CVE-2021-23205?

CVE-2021-23205 affects Gallagher Command Centre versions 8.40 prior to 8.40.1888, 8.30 prior to 8.30.1359, and earlier versions.

What type of vulnerability is CVE-2021-23205?

CVE-2021-23205 is classified as an improper encoding or escaping vulnerability.

Who can be impacted by CVE-2021-23205?

Command Centre Operators using affected versions of Gallagher Command Centre can be impacted by CVE-2021-23205 as it allows them to alter configurations beyond their privileges.

Vulnerability/
CVE-2021-23205

high

8.5

CWE

116

11/6/2021

3/8/2024

CVE-2021-23205

First published: Fri Jun 11 2021(Updated: )

Improper Encoding or Escaping in Gallagher Command Centre Server allows a Command Centre Operator to alter the configuration of Controllers and other hardware items beyond their privilege. 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-2021-23205

Frequently Asked Questions

What is the severity of CVE-2021-23205?
CVE-2021-23205 is considered a critical vulnerability due to its potential to allow unauthorized configuration changes in Gallagher Command Centre.
How do I fix CVE-2021-23205?
To fix CVE-2021-23205, upgrade Gallagher Command Centre to version 8.40.1888 or later, or to version 8.30.1359 or later.
Which versions of Gallagher Command Centre are affected by CVE-2021-23205?
CVE-2021-23205 affects Gallagher Command Centre versions 8.40 prior to 8.40.1888, 8.30 prior to 8.30.1359, and earlier versions.
What type of vulnerability is CVE-2021-23205?
CVE-2021-23205 is classified as an improper encoding or escaping vulnerability.
Who can be impacted by CVE-2021-23205?
Command Centre Operators using affected versions of Gallagher Command Centre can be impacted by CVE-2021-23205 as it allows them to alter configurations beyond their privileges.

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agent/last-modified-date
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agent/description
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agent/first-publish-date
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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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