High severity · published Feb 18, 2022
CVE-2021-44968
A Use after Free vulnerability exists in IOBit Advanced SystemCare 15 pro via requests sent in sequential order using the IOCTL driver codes, which could let a malicious user…
7.8
CVSS
0.4%
EPSS
No
On KEV
Description
A Use after Free vulnerability exists in IOBit Advanced SystemCare 15 pro via requests sent in sequential order using the IOCTL driver codes, which could let a malicious user execute arbitrary code or a Denial of Service (system crash). IOCTL list: iobit_ioctl = [0x8001e01c, 0x8001e020, 0x8001e024, 0x8001e040,0x8001e044, 0x8001e048, 0x8001e04c, 0x8001e000, 0x8001e004, 0x8001e008, 0x8001e00c, 0x8001e010, 0x8001e014, 0x8001e018]
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Advanced Systemcare · Iobit
15 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-44968
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-44968
Exploit
https://github.com/Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/iobit_advenced_system_care
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