CVE-2021-21785 | BDVDB-2026-158148 Detail

IOBit

Description#

An information disclosure vulnerability exists in the IOCTL 0x9c40a148 handling of IOBit Advanced SystemCare Ultimate 14.2.0.220. A specially crafted I/O request packet (IRP) can lead to a disclosure of sensitive information. An attacker can send a malicious IRP to trigger this vulnerability.

Impact#

Per CVSS v3.0: confidentiality impact high, integrity impact none, availability impact none. Attack vector: local.

Weaknesses#

CWE-782 Exposed IOCTL with Insufficient Access Control

References#

https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1252

Exploit#

No public exploit known

History#

Version 12021-08-05Record published in the CVE List.
Version 22024-08-03Most recent update recorded in the CVE List.

Published

Published: 2021-08-05
Last modified: 2024-08-03

Vendor information

Vendor: Not stated
Product: IOBit

Score

6.5 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 27.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
IOBit Advanced SystemCare Ultimate 14.2.0.220
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

Not available

CVSS v3.0

6.5 Medium

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Changed
Confidentiality	High
Integrity	None
Availability	None

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).