Medium (6.3). EPSS 0.4% chance of exploitation in the next 30 days.
Buffer overflow in the extract_openvpn_cr function in openvpn-cr.c in openvpn-auth-ldap (aka the Three Rings Auth-LDAP plugin for OpenVPN) 2.0.4 allows attackers with a valid LDAP username and who can control the challenge/response password field to pass a string with more than 14 colons into this field and cause a buffer overflow.
Severity
CVSS 3.1
6.3 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
EPSS
0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-31)