PT-2025-54615 · Openvpn · Openvpn

Published 2025-01-01 · Updated 2026-01-30 · CVE-2025-15497

Positive Technologies (AI Summary)

CVSS v4.0

3.8

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions OpenVPN versions 2.7 alpha1 through 2.7 rc5

Description A flaw exists in OpenVPN that allows remote authenticated users to cause a denial of service. This occurs due to insufficient processing of epoch key slots, which can trigger an assert.

Recommendations Update OpenVPN to a version later than 2.7 rc5.

Fix

DoS

Assertion Failure

Weakness Enumeration

CWE-617

Related Identifiers

CVE-2025-15497

Affected Products

Openvpn

References · 8

• https://community.openvpn.net/Security%20Announcements/CVE-2025-15497 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-15497 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-15497 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-15497 · Vendor Advisory
• https://twitter.com/CVEnew/status/2017317397011800418 · Twitter Post
• https://t.me/CVEtracker/43313 · Telegram Post
• https://mail-archive.com/[e-mail]/msg00156.html · Note
• https://twitter.com/VulmonFeeds/status/2017318875755425925 · Twitter Post