CVE catalog
CVE-2020-20813
UBUNTU-CVE-2020-20813
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.92% · Oct 25, 2026
Control Channel in OpenVPN 2.4.7 and earlier allows remote attackers to cause a denial of service via crafted reset packet.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Ubuntu | openvpn | pro | 2.4.3-4ubuntu1 | vulnerable |
| Ubuntu | openvpn | pro | 2.4.4-1ubuntu1 | vulnerable |
| Ubuntu | openvpn | pro | 2.4.4-2ubuntu1 | vulnerable |
| Ubuntu | openvpn | pro | 2.4.4-2ubuntu1.1 | vulnerable |
| Ubuntu | openvpn | pro | 2.4.4-2ubuntu1.2 | vulnerable |
| Ubuntu | openvpn | pro | 2.4.4-2ubuntu1.3 | vulnerable |
| Ubuntu | openvpn | pro | 2.4.4-2ubuntu1.5 | vulnerable |
| Ubuntu | openvpn | pro | 2.4.4-2ubuntu1.6 | vulnerable |
| Ubuntu | openvpn | pro | 2.4.4-2ubuntu1.7 | vulnerable |
| Ubuntu | openvpn | pro | 2.4.4-2ubuntu1.7+esm1 | vulnerable |
| Ubuntu | openvpn | pro | 2.3.7-1ubuntu1 | vulnerable |
| Ubuntu | openvpn | pro | 2.3.7-2ubuntu1 | vulnerable |
| Ubuntu | openvpn | pro | 2.3.8-1ubuntu1 | vulnerable |
| Ubuntu | openvpn | pro | 2.3.10-1ubuntu1 | vulnerable |
| Ubuntu | openvpn | pro | 2.3.10-1ubuntu2 | vulnerable |
| Ubuntu | openvpn | pro | 2.3.10-1ubuntu2.1 | vulnerable |
| Ubuntu | openvpn | pro | 2.3.10-1ubuntu2.2 | vulnerable |
| Ubuntu | openvpn | pro | 2.3.10-1ubuntu2.2+esm1 | vulnerable |
| Ubuntu | openvpn | pro | 2.3.10-1ubuntu2.2+esm2 | vulnerable |
| Ubuntu | openvpn | pro | 2.4.3-4ubuntu1 | vulnerable |
| Ubuntu | openvpn | pro | 2.4.4-1ubuntu1 | vulnerable |
| Ubuntu | openvpn | pro | 2.4.4-2ubuntu1 | vulnerable |
| Ubuntu | openvpn | pro | 2.4.4-2ubuntu1.1 | vulnerable |
| Ubuntu | openvpn | pro | 2.4.4-2ubuntu1.2 | vulnerable |
| Ubuntu | openvpn | pro | 2.4.4-2ubuntu1.3 | vulnerable |
| Ubuntu | openvpn | pro | 2.4.4-2ubuntu1.5 | vulnerable |
| Ubuntu | openvpn | pro | 2.4.4-2ubuntu1.6 | vulnerable |
| Ubuntu | openvpn | pro | 2.4.4-2ubuntu1.7 | vulnerable |
| Ubuntu | openvpn | pro | 2.4.4-2ubuntu1.7+esm1 | vulnerable |
| Ubuntu | openvpn | 20.04 | 2.4.7-1ubuntu2 | vulnerable |
| Ubuntu | openvpn | 20.04 | 2.4.7-1ubuntu2.20.04.2 | vulnerable |
| Ubuntu | openvpn | 20.04 | 2.4.7-1ubuntu2.20.04.3 | vulnerable |
| Ubuntu | openvpn | 20.04 | 2.4.7-1ubuntu2.20.04.4 | vulnerable |
| Ubuntu | openvpn | 20.04 | 2.4.12-0ubuntu0.20.04.1 | vulnerable |
| Ubuntu | openvpn | 20.04 | 2.4.12-0ubuntu0.20.04.2 | vulnerable |
| Ubuntu | openvpn | 22.04 | 2.5.1-3ubuntu1 | vulnerable |
| Ubuntu | openvpn | 22.04 | 2.5.1-3ubuntu2 | vulnerable |
| Ubuntu | openvpn | 22.04 | 2.5.1-3ubuntu4 | vulnerable |
| Ubuntu | openvpn | 22.04 | 2.5.1-3ubuntu5 | vulnerable |
| Ubuntu | openvpn | 22.04 | 2.5.5-1ubuntu1 | vulnerable |
| Ubuntu | openvpn | 22.04 | 2.5.5-1ubuntu3 | vulnerable |
| Ubuntu | openvpn | 22.04 | 2.5.5-1ubuntu3.1 | vulnerable |
| Ubuntu | openvpn | 22.04 | 2.5.9-0ubuntu0.22.04.2 | vulnerable |
| Ubuntu | openvpn | 22.04 | 2.5.9-0ubuntu0.22.04.3 | vulnerable |
| Ubuntu | openvpn | 22.04 | 2.5.11-0ubuntu0.22.04.1 | vulnerable |
| Ubuntu | openvpn | 22.04 | 2.5.11-0ubuntu0.22.04.3 | vulnerable |
| Ubuntu | openvpn | 22.04 | 2.5.11-0ubuntu0.22.04.4 | vulnerable |
| Ubuntu | openvpn | 22.04 | 2.5.11-0ubuntu0.22.04.5 | vulnerable |
| Ubuntu | openvpn | 22.04 | 2.5.11-0ubuntu0.22.04.6 | vulnerable |
| Ubuntu | openvpn | 24.04 | 2.6.5-0ubuntu1 | vulnerable |
| Ubuntu | openvpn | 24.04 | 2.6.7-1ubuntu1 | vulnerable |
| Ubuntu | openvpn | 24.04 | 2.6.9-1ubuntu2 | vulnerable |
| Ubuntu | openvpn | 24.04 | 2.6.9-1ubuntu3 | vulnerable |
| Ubuntu | openvpn | 24.04 | 2.6.9-1ubuntu4 | vulnerable |
| Ubuntu | openvpn | 24.04 | 2.6.9-1ubuntu4.1 | vulnerable |
| Ubuntu | openvpn | 24.04 | 2.6.12-0ubuntu0.24.04.1 | vulnerable |
| Ubuntu | openvpn | 24.04 | 2.6.12-0ubuntu0.24.04.3 | vulnerable |
| Ubuntu | openvpn | 24.04 | 2.6.14-0ubuntu0.24.04.1 | vulnerable |
| Ubuntu | openvpn | 24.04 | 2.6.14-0ubuntu0.24.04.2 | vulnerable |
| Ubuntu | openvpn | 24.04 | 2.6.14-0ubuntu0.24.04.3 | vulnerable |
| Ubuntu | openvpn | 24.04 | 2.6.19-0ubuntu0.24.04.1 | vulnerable |
| Ubuntu | openvpn | 24.04 | 2.6.19-0ubuntu0.24.04.2 | vulnerable |
| Ubuntu | openvpn | 24.04 | 2.6.19-0ubuntu0.24.04.3 | vulnerable |
| Ubuntu | openvpn | 24.04 | 2.6.19-0ubuntu0.24.04.4 | vulnerable |
| Ubuntu | openvpn | 24.04 | 2.6.19-0ubuntu0.24.04.5 | vulnerable |
Fixed-version evidence
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
Observed: