CVE-2020-16100

Name: CVE-2020-16100
Creator: NVD / NIST
Published: 2020-09-15T14:15:13.987+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.04%

Last modified Jun 17, 2026

CVE-2020-16100 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. It is possible for an unauthenticated remote DCOM websocket connection to crash the Command Centre service's DCOM websocket thread due to improper shutdown of closed websocket connections, preventing it from accepting future DCOM websocket (Configuration Client) connections. 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.. EPSS estimates a 1.04% chance of exploitation in the next 30 days.

Description

It is possible for an unauthenticated remote DCOM websocket connection to crash the Command Centre service's DCOM websocket thread due to improper shutdown of closed websocket connections, preventing it from accepting future DCOM websocket (Configuration Client) connections. 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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.04%

59.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Gallagher	Command Centre	>= 8.00, < 8.00.1228
Gallagher	Command Centre	>= 8.10, < 8.10.1211
Gallagher	Command Centre	>= 8.20, < 8.20.1166
Gallagher	Command Centre	8.00.1228
Gallagher	Command Centre	8.10.1211
Gallagher	Command Centre	8.20.1166

References

https://security.gallagher.com/Security-Advisories/CVE-2020-16100Vendor Advisory
https://security.gallagher.com/Security-Advisories/CVE-2020-16100Vendor Advisory

Timeline

Published: Sep 15, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-16100?

How severe is CVE-2020-16100?

CVE-2020-16100 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.

How do I fix CVE-2020-16100?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-16100?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST