What is CVE-2020-9442?

CVE-2020-9442 is a high-severity vulnerability in Microsoft Windows, classified under Improper Preservation of Permissions. CVSS score: 7.8/10. Published 2020-02-28.

How severe is CVE-2020-9442?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2020-9442 known to be exploited?

7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Microsoft Windows

CVE-2020-9442

OpenVPN Connect 3.1.0.361 on Windows has Insecure Permissions for %PROGRAMDATA%\OpenVPN Connect\drivers\tap\amd64\win10, which allows local users to gain privileges by copying a malicious drvstore.dll there.

EPSS: 0.006 (46.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Microsoft Windows
Openvpn Connect
N/a — versions n/a

Weakness classification (CWE)

CWE-281 — Improper Preservation of Permissions

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-9442?: CVE-2020-9442 is a high-severity vulnerability in Microsoft Windows, classified under Improper Preservation of Permissions. CVSS score: 7.8/10. Published 2020-02-28.
How severe is CVE-2020-9442?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-9442 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.