CVE-2021-21786

A privilege escalation vulnerability exists in the IOCTL 0x9c406144 handling of IOBit Advanced SystemCare Ultimate 14.2.0.220. A specially crafted I/O request packet (IRP) can lead to increased privileges. An attacker can send a malicious IRP to trigger this vulnerability.

CVSS v3 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1253	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:iobit:advanced_systemcare_ultimate:14.2.0.220:*:*:*:*:*:*:*

History

15 Jul 2021, 18:47

Type	Values Removed	Values Added
References	~~(MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2021-1253 -~~	(MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2021-1253 - Exploit, Third Party Advisory, Vendor Advisory
CWE		CWE-269
CPE		cpe:2.3:a:iobit:advanced_systemcare_ultimate:14.2.0.220:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 4.6 v3 : 7.8

07 Jul 2021, 17:21

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-07-07 17:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-21786

Mitre link : CVE-2021-21786

CVE.ORG link : CVE-2021-21786

JSON object : View

Products Affected

iobit

advanced_systemcare_ultimate

CWE

CWE-269

Improper Privilege Management

CWE-782

Exposed IOCTL with Insufficient Access Control

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