CVE-2021-23146

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An Incomplete Comparison with Missing Factors vulnerability in the Gallagher Controller allows an attacker to bypass PIV verification. 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); 8.10 versions prior to 8.10.1284 (MR7); version 8.00 and prior versions.

Una vulnerabilidad de comparación incompleta con factores ausentes en el controlador Gallagher permite a un atacante eludir la verificación PIV. Este problema afecta a: Gallagher Command Centre 8.40 versiones anteriores a 8.40.1888 (MR3); 8.30 versiones anteriores a 8.30.1359 (MR3); 8.20 versiones anteriores a 8.20.1259 (MR5); 8.10 versiones anteriores a 8.10.1284 (MR7); versión 8.00 y versiones anteriores

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

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-697: Incorrect Comparison
CWE-1023: Incomplete Comparison with Missing Factors

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://security.gallagher.com/Security-Advisories/CVE-2021-23146	2022-10-07

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 Search vendor "Gallagher" for product "Command Centre"				<= 8.00 Search vendor "Gallagher" for product "Command Centre" and version " <= 8.00"		-		Affected
Gallagher Search vendor "Gallagher"		Command Centre Search vendor "Gallagher" for product "Command Centre"				>= 8.10 < 8.10.1284 Search vendor "Gallagher" for product "Command Centre" and version " >= 8.10 < 8.10.1284"		-		Affected
Gallagher Search vendor "Gallagher"		Command Centre Search vendor "Gallagher" for product "Command Centre"				>= 8.20 < 8.20.1259 Search vendor "Gallagher" for product "Command Centre" and version " >= 8.20 < 8.20.1259"		-		Affected
Gallagher Search vendor "Gallagher"		Command Centre Search vendor "Gallagher" for product "Command Centre"				>= 8.30 < 8.30.1359 Search vendor "Gallagher" for product "Command Centre" and version " >= 8.30 < 8.30.1359"		-		Affected
Gallagher Search vendor "Gallagher"		Command Centre Search vendor "Gallagher" for product "Command Centre"				>= 8.40 < 8.40.1888 Search vendor "Gallagher" for product "Command Centre" and version " >= 8.40 < 8.40.1888"		-		Affected