No exploitation reportedFix available

CVE-2020-16103

Q: Is CVE-2020-16103 actively exploited?

Active exploitation of CVE-2020-16103 has not been confirmed. Its EPSS score was 2.3% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2020-16103?

CVE-2020-16103 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2020-12-14
Fixed in8.30.1236 · 8.20.1166 · 8.10.1211
WeaknessCWE-704 · CWE-843

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Type confusion in Gallagher Command Centre Server allows a remote attacker to crash the server or possibly cause remote code execution. This issue affects: Gallagher Command Centre 8.30 versions prior to 8.30.1236(MR1); 8.20 versions prior to 8.20.1166(MR3); 8.10 versions prior to 8.10.1211(MR5); version 8.00 and prior versions.

Timeline

dates in UTC

2020-12-1420:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-16103?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-16103?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Gallagher command centre

Branch	Affected	Fixed in	Source
8.30	≥ 8.30, < 8.30.1236	8.30.1236	NVD
8.20	≥ 8.20, < 8.20.1166	8.20.1166	NVD
8.10	≥ 8.10, < 8.10.1211	8.10.1211	NVD
8.0	≤ 8.00	no fix published	NVD
8.10	= 8.10.1211	no fix published	NVD
8.20	= 8.20.1166	no fix published	NVD
8.30	= 8.30.1236	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Gallagher command centre to 8.30.1236 · 8.20.1166 · 8.10.1211

Advisories and patches

security.gallagher.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.18.8read 2026-10-23
NVDCVSS 3.18.8read 2026-10-23
NVDCVSS 2.06.5read 2026-10-23
CNAweakness (CWE)CWE-704read 2026-10-23
NVDweakness (CWE)CWE-843read 2026-10-23
FIRST EPSSEPSS score2.3 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2020-12-14
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2020-16103?

Is CVE-2020-16103 actively exploited?

Active exploitation of CVE-2020-16103 has not been confirmed. Its EPSS score was 2.3% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-16103?

CVE-2020-16103 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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