What is the CVSS score of CVE-2023-54331?

CVE-2023-54331 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Outline are affected by CVE-2023-54331?

Organizations using Outline 1.6.0 face notable risk from CVE-2023-54331 rated CVSS 7.8. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2023-54331?

Yes, a public proof-of-concept exploit is available for CVE-2023-54331. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2023-54331?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

Outline CVE-2023-54331

HIGH

Unquoted Search Path or Element (CWE-428)

2026-01-13 disclosure@vulncheck.com

RCE Outline

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/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

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Feb 02, 2026 - 16:16 vuln.today

Public exploit code

CVE Published

Jan 13, 2026 - 23:16 nvd

HIGH 7.8

DescriptionCVE.org

Outline 1.6.0 contains an unquoted service path vulnerability that allows local attackers to potentially execute arbitrary code with elevated system privileges. Attackers can exploit the unquoted service path in the OutlineService executable to inject malicious code that will be executed with LocalSystem permissions.

AnalysisAI

Outline versions up to - contains a vulnerability that allows attackers to potentially execute arbitrary code with elevated system privileges (CVSS 7.8).

Technical ContextAI

affects Outline. Outline 1.6.0 contains an unquoted service path vulnerability that allows local attackers to potentially execute arbitrary code with elevated system privileges. Attackers can exploit the unquoted service path in the OutlineService executable to inject malicious code that will be executed with LocalSystem permissions.

RemediationAI

Monitor vendor advisories for a patch.

CVE-2023-54331 vulnerability details – vuln.today

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Outline CVE-2023-54331

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code