How severe is CVE-2020-16099?

CVE-2020-16099 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2020-16099 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-16099?

CVE-2020-16099 primarily affects Gallagher Command Centre. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-16099?

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

When was CVE-2020-16099 published?

CVE-2020-16099 was published on 2020-09-15 and last updated on 2026-06-17.

CVE-2020-16099

CVE-2020-16099 is a medium-severity vulnerability in Gallagher Command Centre with a CVSS 3.x base score of 4.3. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 3.5
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Gallagher Command Centre
Published: 2020-09-15
Last modified: 2026-06-17

Description

In Gallagher Command Centre v8.20 prior to v8.20.1093(MR2) it is possible to create Guard Tour events that when accessed via things like reporting cause clients to temporarily hang or disconnect.

Frequently asked questions

What is CVE-2020-16099?: In Gallagher Command Centre v8.20 prior to v8.20.1093(MR2) it is possible to create Guard Tour events that when accessed via things like reporting cause clients to temporarily hang or disconnect.
How severe is CVE-2020-16099?: CVE-2020-16099 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2020-16099 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-16099?: CVE-2020-16099 primarily affects Gallagher Command Centre. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-16099?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-16099 published?: CVE-2020-16099 was published on 2020-09-15 and last updated on 2026-06-17.

References

https://security.gallagher.com/Security-Advisories/CVE-2020-16099

Affected products (2)

cpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:*
cpe:2.3:a:gallagher:command_centre:8.20.1093:-:*:*:*:*:*:*

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