CVEvulnerability
CVE-2021-21792
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-08-05
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CVSS 3.0 ([email protected])
- 6.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-782
Description
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.
Affected configurations
• iobit advanced systemcare ultimate 14.2.0.220
Related
Weakness · CWE (1)
- CWE-782 Exposed IOCTL with Insufficient Access Control weakness
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1255 Exploit, Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1255 Exploit, Third Party Advisory