Privilege Escalation in IOBit Advanced SystemCare Ultimate by IOBit
CVE-2021-21787

8.8HIGH

Key Information:

Vendor

Iobit

Status
Iobit
Vendor
CVE Published:
7 July 2021

What is CVE-2021-21787?

A vulnerability exists in IOBit Advanced SystemCare Ultimate that allows unprivileged users to escalate their privileges through improper handling of Privileged I/O write requests. Specifically, during the IOCTL process, a crafted input buffer can lead to unauthorized access to privileged actions, enabling attackers to execute commands with elevated rights.

Affected Version(s)

Iobit IOBit Advanced SystemCare Ultimate 14.2.0.220

References

https://talosintelligence.com/vulnerability_reports/TALOS...
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

CVSS V3.0

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.