CVE-2017-7478 EXPLOIT
7.5
HIGH · CVSS 3.0 · EPSS 13.8% (pctl 96)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.5 (HIGH, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| EPSS | 13.78% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-617 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2017-05-15 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| openvpn | openvpn |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | OpenVPN 2.4.0 - Denial of Service | 2017-05-11 |
References
- http://www.securityfocus.com/bid/98444
- http://www.securitytracker.com/id/1038473
- https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits
- https://www.exploit-db.com/exploits/41993/
- http://www.securityfocus.com/bid/98444
- http://www.securitytracker.com/id/1038473
- https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits
- https://www.exploit-db.com/exploits/41993/
→ the Explorer · watch your stack · NVD