CVE-2025-13751 — Allocation of Resources Without Limits or Throttling in Openvpn

CWE-770 — Allocation of Resources Without Limits or ThrottlingCWE-775 — Missing Release of File Descriptor or Handle after Effective LifetimeCWE-841 — Improper Enforcement of Behavioral Workflow5 documents5 sources
Severity
1.3LOWNVD
EPSS
0.0%
top 89.27%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
OpenvpnDebian Openvpn
Timeline
PublishedDec 3

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.

CVSS vector

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

Affected Packages3 packages

▶NVDopenvpn/openvpn2.5.0 — 2.6.17+1
▶CVEListV5openvpn/openvpn2.5.0 — 2.6.16+1

🔴Vulnerability Details

1
GHSA
GHSA-74jr-8vhj-2c3f: Interactive service agent in OpenVPN version 2↗2025-12-03
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📋Vendor Advisories

2
Red Hat
OpenVPN: OpenVPN: Local denial of service vulnerability in interactive service agent↗2025-12-03
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Debian
CVE-2025-13751: openvpn - Interactive service agent in OpenVPN version 2.5.0 through 2.6.16 and 2.7_alpha1...↗2025
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🕵️Threat Intelligence

1
Wiz
CVE-2025-15497 Impact, Exploitability, and Mitigation Steps | Wiz↗
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