CVE-2025-15497
Unknown Unknown - Not Provided

Assertion Failure DoS in OpenVPN 2.7 Epoch Key Processing

Publication date: 2026-01-30

Last updated on: 2026-01-30

Assigner: OpenVPN Inc.

Description
Insufficient epoch key slot processing in OpenVPN 2.7_alpha1 through 2.7_rc5 allows remote authenticated users to trigger an assert resulting in a denial of service

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Meta Information

Published
2026-01-30
Last Modified
2026-01-30
Generated
2026-07-06
AI Q&A
2026-01-30
EPSS Evaluated
2026-07-05
NVD
CVE-2025-15497
EUVD
EUVD-2025-206570

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
openvpn openvpn From 2.7_alpha1 (inc) to 2.7_rc5 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-617 The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.

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Executive Summary

This vulnerability is due to insufficient processing of epoch key slots in OpenVPN versions 2.7_alpha1 through 2.7_rc5. It allows remote authenticated users to trigger an assertion failure, which results in a denial of service condition.

Impact Analysis

The impact of this vulnerability is a denial of service, meaning that an attacker who is remotely authenticated can cause the OpenVPN service to crash or become unavailable.

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