CVE-2021-3606
OpenVPN before version 2.5.3 on Windows allows local users to load arbitrary dynamic loadable libraries via an OpenSSL configuration file if present, which allows the user to run arbitrary code with the same privilege level as the main OpenVPN process…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
OpenVPN before version 2.5.3 on Windows allows local users to load arbitrary dynamic loadable libraries via an OpenSSL configuration file if present, which allows the user to run arbitrary code with the same privilege level as the main OpenVPN process (openvpn.exe).
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.34% probability · 28th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-427
- Affected
- openvpn/openvpn
- Source
- security@openvpn.net
References
- https://community.openvpn.net/openvpn/wiki/CVE-2021-3606Vendor Advisory
- https://community.openvpn.net/openvpn/wiki/SecurityAnnouncementsVendor Advisory
- https://community.openvpn.net/openvpn/wiki/CVE-2021-3606Vendor Advisory
- https://community.openvpn.net/openvpn/wiki/SecurityAnnouncementsVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.