CVE-2026-40215

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.37% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 30.8% of scored records. A rank, not a probability.

NVD base score

6.1 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Analyzed. NVD last modified this record on 2026-08-11.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-06-08 19:59Z4 MO AGO

Last updated

2026-06-16 12:24Z4 MO AGO

Reserved

2026-04-13

Assigning CNA

OpenVPN

Record state

PUBLISHED

Severity

Medium (CVSS 6.1)

CNA CVSS vector

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:L

Weaknesses

• CWE-125Out-of-bounds ReadBase
• CWE-416Use After FreeVariant
• CWE-364Signal Handler Race ConditionBase

Data version

5.2

Document digest

19c62babe28f0ceb0347314fb17e12ff7d0bdb302984f7ffaaf58ae471fab9c1

• community.openvpn.nethttps://community.openvpn.net/Security%20Announcements/CVE-2026-40215vendor-advisory
• community.openvpn.nethttps://community.openvpn.net/ReleaseHistory#openvpn-272-released-22-april-2026release-notes
• community.openvpn.nethttps://community.openvpn.net/ReleaseHistory#openvpn-2620-released-22-april-2026release-notes