How severe is CVE-2021-23197?

CVE-2021-23197 has a CVSS 3.x base score of 5.2, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-23197 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-23197?

CVE-2021-23197 affects Gallagher Command Centre. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-23197?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-23197 published?

CVE-2021-23197 was published on 2021-11-18 and last updated on 2026-06-17.

CVE-2021-23197

CVE-2021-23197 is a medium-severity vulnerability in Gallagher Command Centre with a CVSS 3.x base score of 5.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-428.

Key facts

Severity: Medium (CVSS 3.x base score 5.2)
CVSS v2: 4.6
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-428
Affected product: Gallagher Command Centre
Published: 2021-11-18
Last modified: 2026-06-17

Description

Unquoted service path vulnerability in the Gallagher Controller Service allows an unprivileged user to execute arbitrary code as the account that runs the Controller Service. This issue affects: Gallagher Command Centre 8.50 versions prior to 8.50.2048 (MR3) ;

Frequently asked questions

What is CVE-2021-23197?: Unquoted service path vulnerability in the Gallagher Controller Service allows an unprivileged user to execute arbitrary code as the account that runs the Controller Service. This issue affects: Gallagher Command Centre 8.50 versions prior to 8.50.2048 (MR3) ;
How severe is CVE-2021-23197?: CVE-2021-23197 has a CVSS 3.x base score of 5.2, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-23197 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23197?: CVE-2021-23197 affects Gallagher Command Centre. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-23197?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-23197 published?: CVE-2021-23197 was published on 2021-11-18 and last updated on 2026-06-17.

References

https://security.gallagher.com/Security-Advisories/CVE-2021-23197

Affected products (1)

cpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:*

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