How severe is CVE-2020-9442?

CVE-2020-9442 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-9442 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9442?

CVE-2020-9442 affects Openvpn Connect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-9442?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-9442 published?

CVE-2020-9442 was published on 2020-02-28 and last updated on 2026-06-17.

CVE-2020-9442

CVE-2020-9442 is a high-severity vulnerability in Openvpn Connect with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-281.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-281
Affected product: Openvpn Connect
Published: 2020-02-28
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-9442?: CVE-2020-9442 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-9442 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9442?: CVE-2020-9442 affects Openvpn Connect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9442?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-9442 published?: CVE-2020-9442 was published on 2020-02-28 and last updated on 2026-06-17.

References

https://github.com/hessandrew/CVE-2020-9442

Affected products (1)

cpe:2.3:a:openvpn:connect:*:*:*:*:*:*:*:*

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