Vulnerability in Iobit Advanced Systemcare Ultimate

CVE-2021-21792

An information disclosure vulnerability exists in the the way IOBit Advanced SystemCare Ultimate 14.2.0.220 driver handles Privileged I/O read requests. A specially crafted I/O request packet (IRP) can lead to privileged reads in the context of a driver which can result in sensitive information disclosure from the kernel. The IN instruction can read four bytes from the given I/O device, potentially leaking sensitive device data to unprivileged users.

EPSS: 0.003 (26.6th 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:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-21792?
CVE-2021-21792 is a medium-severity vulnerability in Iobit Advanced Systemcare Ultimate, classified under CWE-782. CVSS score: 5.5/10. Published 2021-08-05.
How severe is CVE-2021-21792?
Medium severity. CVSS v3 base score is 5.5 out of 10.