CVE-2021-23155

Severity Score

6.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Improper validation of the cloud certificate chain in Mobile Client allows man-in-the-middle attack to impersonate the legitimate Command Centre Server. This issue affects: Gallagher Command Centre Mobile Client for Android 8.60 versions prior to 8.60.065; version 8.50 and prior versions.

Una comprobación inapropiada de la cadena de certificados de la nube en el Cliente móvil permite que un ataque de tipo man-in-the-middle se haga pasar por el Servidor del Centro de Comando legítimo. Este problema afecta a: Gallagher Command Centre Mobile Client para Android versiones 8.60 anteriores a 8.60.065; versión 8.50 y anteriores.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-26 CVE Reserved
2021-11-18 CVE Published
2024-07-31 EPSS Updated
2024-09-17 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-295: Improper Certificate Validation
CWE-296: Improper Following of a Certificate's Chain of Trust

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://security.gallagher.com/Security-Advisories/CVE-2021-23155	2021-11-23

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gallagher Search vendor "Gallagher"		Command Centre Mobile Client Search vendor "Gallagher" for product "Command Centre Mobile Client"				<= 8.50 Search vendor "Gallagher" for product "Command Centre Mobile Client" and version " <= 8.50"		android		Affected
Gallagher Search vendor "Gallagher"		Command Centre Mobile Client Search vendor "Gallagher" for product "Command Centre Mobile Client"				>= 8.60 < 8.60.065 Search vendor "Gallagher" for product "Command Centre Mobile Client" and version " >= 8.60 < 8.60.065"		android		Affected