Vulnerability in Iobit Advanced Systemcare Ultimate
CVE-2021-21790
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 two bytes from the given I/O device, potentially leaking sensitive device data to unprivileged users.
EPSS: 0.003 (26.2th 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
- Iobit Advanced_systemcare_ultimate — versions 14.2.0.220
- N/a Iobit — versions IOBit Advanced SystemCare Ultimate 14.2.0.220
Weakness classification (CWE)
References
- talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-21790?
- CVE-2021-21790 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-2021-21790?
- Medium severity. CVSS v3 base score is 5.5 out of 10.