What is the CVSS score of CVE-2023-47463?

CVE-2023-47463 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.3%.

Gl Ax1800 Firmware CVE-2023-47463

CRITICAL

Improper Preservation of Permissions (CWE-281)

2023-11-30 cve@mitre.org

RCE Gl Ax1800 Firmware Gl Inet

9.8

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-281 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V8 - Authorization Permission preservation
Impact	CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.

No patch listed yet 1.3% exploitation probability (EPSS)

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AnalysisAI

Insecure Permissions vulnerability in GL.iNet AX1800 version 4.0.0 before 4.5.0 allows a remote attacker to execute arbitrary code via a crafted script to the gl_nas_sys authentication function. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, 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-281. Insecure Permissions vulnerability in GL.iNet AX1800 version 4.0.0 before 4.5.0 allows a remote attacker to execute arbitrary code via a crafted script to the gl_nas_sys authentication function. Affected products include: Gl-Inet Gl-Ax1800 Firmware. Version information: version 4.0.0.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL

AV:N/AC:L/PR:N/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

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionNVD

Insecure Permissions vulnerability in GL.iNet AX1800 version 4.0.0 before 4.5.0 allows a remote attacker to execute arbitrary code via a crafted script to the gl_nas_sys authentication function.

Threat Intelligence Overview

EPSS Score

1.3%

Top 33% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

GitHub

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 CRITICAL

CISA KEV No

Public POC No

EPSS 1.3%

Patch available No

Active threat No

Deciding rule

CRITICAL severity

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

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +49

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:o:gl-inet:gl-ax1800_firmware:*:*:*:*:*:*:*:*

More in Gl Ax1800 Firmware

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9.8 Jan 12

An issue was discovered on GL.iNet devices before version 4.5.0. Rated critical severity (CVSS 9.8), this vulnerability

CVE-2023-50445 HIGH Act Now POC

7.8 Dec 28

Shell Injection vulnerability GL.iNet A1300 v4.4.6, AX1800 v4.4.6, AXT1800 v4.4.6, MT3000 v4.4.6, MT2500 v4.4.6, MT6000

CVE-2023-47462 CRITICAL Act Now POC

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Insecure Permissions vulnerability in GL.iNet AX1800 v.3.215 and before allows a remote attacker to execute arbitrary co

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An issue was discovered on GL.iNet devices before 3.216. Rated critical severity (CVSS 9.8), this vulnerability is remot

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An issue was discovered on GL.iNet devices before 3.216. Rated critical severity (CVSS 9.8), this vulnerability is remot

CVE-2023-47464 HIGH This Week POC

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Insecure Permissions vulnerability in GL.iNet AX1800 version 4.0.0 before 4.5.0 allows a remote attacker to execute arbi

CVE-2023-31477 HIGH This Week POC

7.5 May 11

A path traversal issue was discovered on GL.iNet devices before 3.216. Rated high severity (CVSS 7.5), this vulnerabilit

CVE-2023-31478 HIGH This Week POC

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CVE-2023-31474 HIGH This Week POC

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An issue was discovered on GL.iNet devices before 3.216. Rated high severity (CVSS 7.5), this vulnerability is remotely

CVE-2023-31472 HIGH This Week POC

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An issue was discovered on GL.iNet devices before 3.216. Rated high severity (CVSS 7.5), this vulnerability is remotely

CVE-2023-50922 HIGH This Week POC

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An issue was discovered on GL.iNet devices through 4.5.0. Rated high severity (CVSS 7.2), this vulnerability is remotely

CVE-2022-31898 MEDIUM This Month POC

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gl-inet GL-MT300N-V2 Mango v3.212 and GL-AX1800 Flint v3.214 were discovered to contain multiple command injection vulne

Same weakness CWE-281 – Improper Preservation of Permissions

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References

Advisories & patches

ADVISORY https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/an%20unauthenticated%20remote%20code%20execution.md

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GitHub PoC

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