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

CVE-2020-16103 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 2.2%.

Command Centre CVE-2020-16103

HIGH

Incorrect Type Conversion or Cast (CWE-704)

2020-12-14 disclosures@gallagher.com

RCE Command Centre Gallagher

8.8

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-704 ASVS 5.0 V15 - Secure Coding and Architecture Correct type conversion
Impact	CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 2.2% exploitation probability (EPSS)

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AnalysisAI

Type confusion in Gallagher Command Centre Server allows a remote attacker to crash the server or possibly cause remote code execution. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-704. 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. Affected products include: Gallagher Command Centre. Version information: prior to 8.30.1236.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionNVD

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.

Threat Intelligence Overview

EPSS Score

2.2%

Top 20% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 2.2%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +2

CVSS: +44

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Remote Code Execution CRITICAL

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)NVD

cpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:*

cpe:2.3:a:gallagher:command_centre:8.10.1211:-:*:*:*:*:*:*

cpe:2.3:a:gallagher:command_centre:8.10.1211:maintenance_release5:*:*:*:*:*:*

cpe:2.3:a:gallagher:command_centre:8.20.1166:-:*:*:*:*:*:*

cpe:2.3:a:gallagher:command_centre:8.20.1166:maintenance_release3:*:*:*:*:*:*

cpe:2.3:a:gallagher:command_centre:8.30.1236:-:*:*:*:*:*:*

cpe:2.3:a:gallagher:command_centre:8.30.1236:maintenance_release1:*:*:*:*:*:*

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Same weakness CWE-704 – Incorrect Type Conversion or Cast

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Same technique RCE

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CVE-2012-4681 CRITICAL POC

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CVE-2023-3519 CRITICAL POC

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CVE-2015-5119 CRITICAL POC

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References

Advisories & patches

ADVISORY https://security.gallagher.com/Security-Advisories/CVE-2020-16103

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