Home/CVE/An Incomplete Comparison with Missing Factors vulnerability in the Gallagher Controller allows an attacker to bypass PIV
CVE

CVE-2021-23146

An Incomplete Comparison with Missing Factors vulnerability in the Gallagher Controller allows an attacker to bypass PIV

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.

HIGH · CVSS 7.1 EPSS 0.00241
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

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

Affected Products & Versions

5
gallagher command centre<= 8.00
gallagher command centre>= 8.10 and < 8.10.1284
gallagher command centre>= 8.20 and < 8.20.1259
gallagher command centre>= 8.30 and < 8.30.1359
gallagher command centre>= 8.40 and < 8.40.1888
▣

Scoring & Timeline

7.1
HIGH · CVSS v3.1 · disclosures@gallagher.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Nov 2021 · 06:15 PM
CVSS VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://security.gallagher.com/Security-Advisories/CVE-2021-23146Vendor Advisory
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