CVE-2021-47803

CVE-2021-47803 is a high-severity vulnerability with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-428.

Key facts

Description

iFunbox 4.2 contains an unquoted service path vulnerability in the Apple Mobile Device Service that allows local attackers to execute code with elevated privileges. Attackers can insert a malicious executable into the unquoted service path to run with LocalSystem privileges when the service restarts.

Frequently asked questions

What is CVE-2021-47803?
iFunbox 4.2 contains an unquoted service path vulnerability in the Apple Mobile Device Service that allows local attackers to execute code with elevated privileges. Attackers can insert a malicious executable into the unquoted service path to run with LocalSystem privileges when the service restarts.
How severe is CVE-2021-47803?
CVE-2021-47803 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-47803 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2021-47803?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2021-47803 have an EU (EUVD) identifier?
Yes. CVE-2021-47803 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3027.
When was CVE-2021-47803 published?
CVE-2021-47803 was published on 2026-01-16 and last updated on 2026-06-17.

References

Other CWE-428 vulnerabilities

Browse all CWE-428 vulnerabilities →