Resource exhaustion in Openvpn

CVE-2020-20813

Control Channel in OpenVPN 2.4.7 and earlier allows remote attackers to cause a denial of service via crafted reset packet.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.007 (48.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-20813?
CVE-2020-20813 is a high-severity vulnerability in Openvpn, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-08-22.
How severe is CVE-2020-20813?
High severity. CVSS v3 base score is 7.5 out of 10.