How severe is CVE-2020-16098?

CVE-2020-16098 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-16098 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-16098?

CVE-2020-16098 primarily affects Gallagher Command Centre. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-16098?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-16098 published?

CVE-2020-16098 was published on 2020-09-15 and last updated on 2026-06-17.

CVE-2020-16098

CVE-2020-16098 is a critical-severity vulnerability in Gallagher Command Centre with a CVSS 3.x base score of 9.8. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Gallagher Command Centre
Published: 2020-09-15
Last modified: 2026-06-17

Description

It is possible to enumerate access card credentials via an unauthenticated network connection to the server in versions of Command Centre v8.20 prior to v8.20.1166(MR3), versions of 8.10 prior to v8.10.1211(MR5), versions of 8.00 prior to v8.00.1228(MR6), all versions of 7.90 and earlier. These credentials can then be used to encode low security cards to be used by the system where insecure card technologies are supported.

Frequently asked questions

What is CVE-2020-16098?: It is possible to enumerate access card credentials via an unauthenticated network connection to the server in versions of Command Centre v8.20 prior to v8.20.1166(MR3), versions of 8.10 prior to v8.10.1211(MR5), versions of 8.00 prior to v8.00.1228(MR6), all versions of 7.90 and earlier. These credentials can then be used to encode low security cards to be used by the system where insecure card technologies are supported.
How severe is CVE-2020-16098?: CVE-2020-16098 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-16098 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-16098?: CVE-2020-16098 primarily affects Gallagher Command Centre. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-16098?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-16098 published?: CVE-2020-16098 was published on 2020-09-15 and last updated on 2026-06-17.

References

https://security.gallagher.com/Security-Advisories/CVE-2020-16098

Affected products (5)

cpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:*
cpe:2.3:a:gallagher:command_centre:8.00.1228:-:*:*:*:*:*:*
cpe:2.3:a:gallagher:command_centre:8.10.1211:-:*:*:*:*:*:*
cpe:2.3:a:gallagher:command_centre:8.20.1166:-:*:*:*:*:*:*
cpe:2.3:a:gallagher:command_centre:8.30.1236:-:*:*:*:*:*:*

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