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CVE-2020-36382

OpenVPN Access Server 2.7.3 to 2.8.7 allows remote attackers to trigger an assert during the user...

7.5 High

OpenVPN Access Server 2.7.3 to 2.8.7 allows remote attackers to trigger an assert during the user authentication phase via incorrect authentication token data in an early phase of the user authentication resulting in a denial of service.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.89%Up 0.9 points since Jun 5, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

OpenVPN Access Server 2.7.3 to 2.8.7 allows remote attackers to trigger an assert during the user authentication phase via incorrect authentication token data in an early phase of the user authentication resulting in a denial of service.

Record
CVE-2020-36382
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-754, CWE-617
Updated
2026-11-02
CVE List No score

OpenVPN Access Server 2.7.3 to 2.8.7 allows remote attackers to trigger an assert during the user authentication phase via incorrect authentication token data in an early phase of the user authentication resulting in a denial of service.

Record
CVE-2020-36382
Weakness
CWE-754
Updated
2026-11-02
EUVDEUVD-2020-23913 No score

OpenVPN Access Server 2.7.3 to 2.8.7 allows remote attackers to trigger an assert during the user authentication phase via incorrect authentication token data in an early phase of the user authentication resulting in a denial of service.

Record
EUVD-2020-23913
Updated
2026-11-03
GitHub AdvisoriesGHSA-j34c-6692-hx97 7.5

OpenVPN Access Server 2.7.3 to 2.8.7 allows remote attackers to trigger an assert during the user...

OpenVPN Access Server 2.7.3 to 2.8.7 allows remote attackers to trigger an assert during the user authentication phase via incorrect authentication token data in an early phase of the user authentication resulting in a denial of service.

Record
GHSA-j34c-6692-hx97
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-617, CWE-754
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-36382 is a high vulnerability (CVSS 7.5) in Openvpn Access Server, published June 4, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.89%, the 79th percentile. No source names a fixed version.

References

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