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OpenVPN

Records100All Threatist records
Exploited (KEV)0None in CISA KEV
CVSS critical11CVSS 9.0–10.0
CVSS high38CVSS 7.0–8.9

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OpenVPN records in CISA KEV

No OpenVPN vulnerabilities are listed in CISA KEV.

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Records

3 records in Ovpn-dco-win · all components

Priority LOW 25

An incorrect buffer size calculation in the epoch key generator in OpenVPN ovpn-dco-win version 2.0.0 through 2.8.3 allows a remote authenticated peer to trigger a heap-based buffer overflow and kernel memory corruption…

CVSS 4.0MEDIUM 5.6 Local Low privileges User interaction EPSS 0.00338 Published 2026-06-10 No fix listed CWE-122
Priority LOW 24

Buffer overflow in OpenVPN ovpn-dco-win version 1.3.0 and earlier and version 2.5.8 and earlier allows a local user process to send a too large control message buffer to the kernel driver resulting in a system crash

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00246 Published 2025-06-20 Fixed in 1.3.1, 2.5.9 CWE-122
Priority LOW 15

OpenVPN ovpn-dco for Windows version 1.1.1 allows an unprivileged local attacker to send I/O control messages with invalid data to the driver resulting in a NULL pointer dereference leading to a system halt.

CVSS 3.1LOW 3.3 Local Low privileges No interaction EPSS 0.0014 Published 2025-01-15 No fix listed CWE-476
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