PT-2025-47577 · Openvpn+4 · Openvpn+4

CVE-2025-13086

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Publicado

2025-11-17

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Atualizado

2026-04-15

CVSS v3.1

7.5

Alta

VetorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions OpenVPN versions prior to 2.6.16
Description The memcmp() function in OpenVPN has an issue related to the use of a cryptographic algorithm with flaws when processing HMAC requests. Successful exploitation could allow a remote attacker to gain unauthorized access to protected information.
Recommendations Update to version 2.6.16 or later.

Exploit

Correção

DoS

Inadequate Encryption Strength

Use of a Broken Cryptographic Algorithm

Session Fixation

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Enumeração de Fraquezas

Identificadores relacionados

BDU:2025-14653
CLEANSTART-2026-MW52599
CVE-2025-13086
DSA-6069-1
OESA-2025-2742
OESA-2025-2777
OESA-2025-2778
OPENSUSE-SU-2026:20137-1
SUSE-SU-2026:0831-1
SUSE-SU-2026:20196-1
USN-7898-1

Produtos afetados

Debian
Linuxmint
Openvpn
Red Os
Ubuntu