critical9.8
CVE-2021-3773
A flaw in netfilter could allow a network-connected attacker to infer openvpn connection endpoint information for further use in traditional network attacks.
Impact
A flaw in netfilter could allow a network-connected attacker to infer openvpn connection endpoint information for further use in traditional network attacks.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | before 5.14 from 5.15 before 5.15.15 |
| Fedoraproject | Fedora | Version 34 |
| Redhat | Enterprise Linux | Versions 6.0, 7.0, 8.0 |
| Oracle | Communications Cloud Native Core Binding Support Function | Version 22.1.3 |
| Oracle | Communications Cloud Native Core Network Exposure Function | Version 22.1.1 |
| Oracle | Communications Cloud Native Core Policy | Version 22.2.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.redhat.com/show_bug.cgi?id=2004949
- https://citizenlab.ca/2024/07/vulnerabilities-in-vpns-paper-presented-at-the-privacy-enhancing-technologies-symposium-2024/
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://bugzilla.redhat.com/show_bug.cgi?id=2004949
- https://citizenlab.ca/2024/07/vulnerabilities-in-vpns-paper-presented-at-the-privacy-enhancing-technologies-symposium-2024/
- https://security.netapp.com/advisory/ntap-20250328-0004/
- https://www.oracle.com/security-alerts/cpujul2022.html