Medium severity5.5NVD Advisory· Published Dec 3, 2025· Updated Jun 17, 2026

CVE-2025-13751

Description

Interactive service agent in OpenVPN version 2.5.0 through 2.6.16 and 2.7_alpha1 through 2.7_rc2 on Windows allows a local authenticated user to connect to the service and trigger an error causing a local denial of service.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

OpenVPN/OpenVPN11 versions
cpe:2.3:a:openvpn:openvpn:*:*:*:*:community:*:*:*+ 10 more
- cpe:2.3:a:openvpn:openvpn:*:*:*:*:community:*:*:*range: >=2.5.0,<2.6.17
- cpe:2.3:a:openvpn:openvpn:2.7:alpha1:*:*:community:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.7:alpha2:*:*:community:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.7:alpha3:*:*:community:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.7:beta1:*:*:community:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.7:beta2:*:*:community:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.7:beta3:*:*:community:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.7:rc1:*:*:community:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.7:rc2:*:*:community:*:*:*
- (no CPE)range: 2.5.0 through 2.6.16 and 2.7_alpha1 through 2.7_rc2
- (no CPE)range: 2.5.0
osv-coords12 versions
pkg:apk/chainguard/openvpn pkg:apk/chainguard/openvpn-auth-pam pkg:apk/chainguard/openvpn-dev pkg:apk/chainguard/openvpn-doc pkg:apk/chainguard/openvpn-openrc pkg:apk/chainguard/openvpn-supervisor pkg:apk/wolfi/openvpn pkg:apk/wolfi/openvpn-auth-pam pkg:apk/wolfi/openvpn-dev pkg:apk/wolfi/openvpn-doc pkg:apk/wolfi/openvpn-openrc pkg:apk/wolfi/openvpn-supervisor
< 2.6.17-r0+ 11 more
- (no CPE)range: < 2.6.17-r0
- (no CPE)range: < 2.6.17-r0
- (no CPE)range: < 2.6.17-r0
- (no CPE)range: < 2.6.17-r0
- (no CPE)range: < 2.6.17-r0
- (no CPE)range: < 2.6.17-r0
- (no CPE)range: < 2.6.17-r0
- (no CPE)range: < 2.6.17-r0
- (no CPE)range: < 2.6.17-r0
- (no CPE)range: < 2.6.17-r0
- (no CPE)range: < 2.6.17-r0
- (no CPE)range: < 2.6.17-r0

Patches

Vulnerability mechanics

References

community.openvpn.net/Security%20Announcements/CVE-2025-13751nvdVendor Advisory
www.mail-archive.com/[email protected]/msg00153.htmlnvdMailing ListRelease Notes
www.mail-archive.com/[email protected]/msg00154.htmlnvdMailing ListRelease Notes

News mentions

No linked articles in our index yet.

Severity

MediumCVSS v3.1

5.5/ 10

CVSS v41.3

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

Attack vector: Local
Complexity: Low
Privileges: Low
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

Probability of exploitation in the next 30 days.

0.17%

VYPR risk score

Composite of severity, exploitation, and reach.

0.36medium

cvss	0.358
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

Weaknesses

CWE-770
Allocation of Resources Without Limits or Throttling
CWE-775
Missing Release of File Descriptor or Handle after Effective Lifetime
CWE-841
Improper Enforcement of Behavioral Workflow

CVE ID

CVE-2025-13751