How severe is CVE-2020-16101?

CVE-2020-16101 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-16101 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-16101?

CVE-2020-16101 primarily affects Gallagher Command Centre. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-16101?

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

When was CVE-2020-16101 published?

CVE-2020-16101 was published on 2020-09-15 and last updated on 2026-06-17.

CVE-2020-16101

CVE-2020-16101 is a high-severity vulnerability in Gallagher Command Centre with a CVSS 3.x base score of 7.5. 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-125.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Gallagher Command Centre
Published: 2020-09-15
Last modified: 2026-06-17

Description

It is possible for an unauthenticated remote DCOM websocket connection to crash the Command Centre service due to an out-of-bounds buffer access. Affected versions are v8.20 prior to v8.20.1166(MR3), v8.10 prior to v8.10.1211(MR5), v8.00 prior to v8.00.1228(MR6), all versions of 7.90 and earlier.

Frequently asked questions

What is CVE-2020-16101?: It is possible for an unauthenticated remote DCOM websocket connection to crash the Command Centre service due to an out-of-bounds buffer access. Affected versions are v8.20 prior to v8.20.1166(MR3), v8.10 prior to v8.10.1211(MR5), v8.00 prior to v8.00.1228(MR6), all versions of 7.90 and earlier.
How severe is CVE-2020-16101?: CVE-2020-16101 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-16101 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-16101?: CVE-2020-16101 primarily affects Gallagher Command Centre. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-16101?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-16101 published?: CVE-2020-16101 was published on 2020-09-15 and last updated on 2026-06-17.

References

https://security.gallagher.com/Security-Advisories/CVE-2020-16101

Affected products (4)

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:-:*:*:*:*:*:*

More vulnerabilities in Gallagher Command Centre

CVE-2021-23230 — Critical (CVSS 9.9): A SQL Injection vulnerability in the OPCUA interface of Gallagher Command Centre allows a remote unprivileged Command…
CVE-2021-23140 — Critical (CVSS 9.9): Improper Authorization vulnerability in Gallagher Command Centre Server allows command line macros to be modified by an…
CVE-2020-16096 — Critical (CVSS 9.9): In Gallagher Command Centre versions 8.10 prior to 8.10.1134(MR4), 8.00 prior to 8.00.1161(MR5), 7.90 prior to…
CVE-2020-16098 — Critical (CVSS 9.8): It is possible to enumerate access card credentials via an unauthenticated network connection to the server in versions…
CVE-2019-15294 — Critical (CVSS 9.8): An issue was discovered in Gallagher Command Centre 8.10 before 8.10.1092(MR2). Upon an upgrade, if a custom service…
CVE-2024-21815 — Critical (CVSS 9.1): Insufficiently protected credentials (CWE-522) for third party DVR integrations to the Command Centre Server are…

All CVEs affecting Gallagher Command Centre →

Other CWE-125 (Out-of-bounds Read) vulnerabilities

CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

Browse all CWE-125 (Out-of-bounds Read) vulnerabilities →