NULL pointer dereference in I0bit Protected Folder

CVE-2025-0221

A vulnerability has been found in IOBit Protected Folder up to 1.3.0 and classified as problematic. This vulnerability affects the function 0x22200c in the library pffilter.sys of the component IOCTL Handler. The manipulation leads to null pointer dereference. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

EPSS: 0.003 (27.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-0221?
CVE-2025-0221 is a medium-severity vulnerability in I0bit Protected Folder, classified under Improper Resource Shutdown or Release. CVSS score: 5.5/10. Published 2025-01-05.
How severe is CVE-2025-0221?
Medium severity. CVSS v3 base score is 5.5 out of 10.