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01 Record

CVE-2021-23146

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

HighPUBLISHEDCNA: Gallagher
CNA base score7.1 CVSS v3.xCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

02 Description

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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.88% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 58.7% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-11-18 17:59Z4 YR AGO
Last updated
2024-09-17 02:41Z2 YR AGO
Reserved
2021-01-26
Assigning CNA
Gallagher
Record state
PUBLISHED
Severity
High (CVSS 7.1)
CNA CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Weaknesses
  • CWE-1023Incomplete Comparison with Missing FactorsClass
  • CWE-697Incorrect ComparisonPillar
Data version
5.1
Document digest
e7adbaacbcb8004bdee5b15ef0bff85c0d9895fde67fd4e7cd71be01661bf6d6

05 Affected products

VendorProductVersionsPlatforms
GallagherCommand Center8.40 prior to 8.40.1888 (MR3), 8.30 prior to 8.30.1359 (MR3), 8.20 prior to 8.20.1259 (MR5), 8.10 prior to 8.10.1284 (MR7), 8.00 and prior—

06 References