Unquoted Service Path Vulnerability in iFunbox by iFunbox
CVE-2021-47803

8.5HIGH

Key Information:

Vendor

I-funbox

Status
Ifunbox
Vendor
CVE Published:
15 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47803?

iFunbox 4.2 is susceptible to an unquoted service path vulnerability in the Apple Mobile Device Service. This flaw allows local attackers to execute arbitrary code with elevated privileges by inserting a malicious executable into the unquoted service path. When the service restarts, the malicious code can be executed with LocalSystem privileges, potentially jeopardizing the system's security and integrity. Users of iFunbox 4.2 should take immediate steps to mitigate this vulnerability.

Affected Version(s)

iFunbox 4.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-47803 - Proof of Concept

References

https://www.exploit-db.com/exploits/50040
exploit
https://www.i-funbox.com/en/index.html
product
https://www.vulncheck.com/advisories/ifunbox-apple-mobile...
third-party-advisory

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Julio Aviña
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