Detections
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CVE-2021-3773

critical

Description

A flaw in netfilter could allow a network-connected attacker to infer openvpn connection endpoint information for further use in traditional network attacks.

References

https://www.oracle.com/security-alerts/cpujul2022.html

https://bugzilla.redhat.com/show_bug.cgi?id=2004949

https://security.netapp.com/advisory/ntap-20250328-0004/

https://citizenlab.ca/2024/07/vulnerabilities-in-vpns-paper-presented-at-the-privacy-enhancing-technologies-symposium-2024/

Details

Source: Mitre, NVD

Published: 2022-02-16

Updated: 2025-03-28

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.02728