Is CVE-2021-23146 in the CISA KEV catalog?

No. CVE-2021-23146 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-23146?

CVE-2021-23146 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2021-23146?

CVE-2021-23146 has an EPSS score of 0.85% (54th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-23146?

Upgrade command centre to 8.40.1888 or later.

CVE & CISA-KEV Catalog

CVE-2021-23146

HIGH

7.1

CVSS v3

NVD

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 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.

CWE-1023 CWE-697

How to fix

Remediation Available

command centreNVD

Affected:>= 8.40, < 8.40.1888Fixed in:8.40.1888CVE-2021-23146derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityLow

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

Exploit Intelligence

0.85%probability of exploitation in 30 days

54thpercentile

Moderate risk: more likely to be exploited than 54% of all known CVEs.

References

Vendor Advisory1

security.gallagher.com

Embed a live status badge for CVE-2021-23146

Markdown

[![CVE-2021-23146](https://tridentstack.com/cve/badge/CVE-2021-23146.svg)](https://tridentstack.com/cve/CVE-2021-23146)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-23146"><img src="https://tridentstack.com/cve/badge/CVE-2021-23146.svg" alt="CVE-2021-23146"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.