#VU48730 Improper Privilege Management in PC Analyser - CVE-2020-28921

Vulnerability identifier: #VU48730

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-28921

CWE-ID: CWE-269

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
PC Analyser
Other software / Other software solutions

Vendor: Devid Espenschied

Description

The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to improper privilege management when the PCADRVX64.SYS kernel driver exposes IOCTL functionality. A local user can execute arbitrary code and escalate privileges.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

PC Analyser: 4.10

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External links
https://www.pcanalyser.de/index.php/historie/
https://github.com/eset/vulnerability-disclosures
https://github.com/eset/vulnerability-disclosures/blob/master/CVE-2020-28921/CVE-2020-28921.md

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.