How severe is CVE-2020-13866?

CVE-2020-13866 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-2020-13866 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13866?

CVE-2020-13866 affects Qbik Wingate. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13866?

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-2020-13866 published?

CVE-2020-13866 was published on 2020-06-08 and last updated on 2026-06-17.

CVE-2020-13866

CVE-2020-13866 is a high-severity vulnerability in Qbik Wingate 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-732.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Qbik Wingate
Published: 2020-06-08
Last modified: 2026-06-17

Description

WinGate v9.4.1.5998 has insecure permissions for the installation directory, which allows local users to gain privileges by replacing an executable file with a Trojan horse.

Frequently asked questions

What is CVE-2020-13866?: WinGate v9.4.1.5998 has insecure permissions for the installation directory, which allows local users to gain privileges by replacing an executable file with a Trojan horse.
How severe is CVE-2020-13866?: CVE-2020-13866 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-2020-13866 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13866?: CVE-2020-13866 affects Qbik Wingate. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13866?: 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-2020-13866 published?: CVE-2020-13866 was published on 2020-06-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:qbik:wingate:9.4.1.5998:*:*:*:*:*:*:*

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