What is CVE-2021-21787?

CVE-2021-21787 is a high-severity vulnerability in Iobit, classified under CWE-782. CVSS score: 8.8/10. Published 2021-07-07.

How severe is CVE-2021-21787?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Iobit

CVE-2021-21787

A privilege escalation vulnerability exists in the way IOBit Advanced SystemCare Ultimate 14.2.0.220 driver handles Privileged I/O write requests. During IOCTL 0x9c40a0d8, the first dword passed in the input buffer is the device port to wr…

EPSS: 0.001 (18.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

N/a Iobit — versions IOBit Advanced SystemCare Ultimate 14.2.0.220

Weakness classification (CWE)

CWE-782

References

talosintelligence.com/vulnerability_reports/TALOS-2021-1254 (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-21787?: CVE-2021-21787 is a high-severity vulnerability in Iobit, classified under CWE-782. CVSS score: 8.8/10. Published 2021-07-07.
How severe is CVE-2021-21787?: High severity. CVSS v3 base score is 8.8 out of 10.