CVE-2023-54331

HIGH EPSS 9.5%
Published Jan 13, 20265mo ago · Modified Jun 17, 20261w ago
8.5 CVSS 4.0
High
Find Similar
Published Jan 13, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago

Description

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.

CVSS Details

Base Score
8.5
Exploitability
Impact
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
9.5% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-428

Affected Products 1

VendorProductVersionRange
getoutlineoutline*any

References 3

  • getoutline.org https://getoutline.org/
    Product
  • exploit-db.com https://www.exploit-db.com/exploits/51128
    ExploitThird Party Advisory
  • vulncheck.com https://www.vulncheck.com/advisories/outline-unquoted-service-path
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.