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CVE-2017-7478
OpenVPN version 2.3.12 and newer is vulnerable to unauthenticated Denial of Service of server via received large control packet. Note that…
High7.5EPSS 13.8%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
OpenVPN version 2.3.12 and newer is vulnerable to unauthenticated Denial of Service of server via received large control packet. Note that this issue is fixed in 2.3.15 and 2.4.2.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 13.8% · top 3.5% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
OpenVPN Technologies, Inc · openvpn
- affected 2.3.12 and newer
References (4)
- 41993 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1038473 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 98444 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .