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openSUSE 16 Security Update : openvpn (openSUSE-SU-2026:20137-1)

high Nessus Plugin ID 297787

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Synopsis

The remote openSUSE host is missing a security update.

Description

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:20137-1 advisory.

 - CVE-2025-13086: Fixed improper validation of source IP addresses in OpenVPN that could lead to DoS (bsc#1254486).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected openvpn, openvpn-auth-pam-plugin, openvpn-devel and / or openvpn-down-root-plugin packages.

See Also

https://bugzilla.suse.com/1254486

https://www.suse.com/security/cve/CVE-2025-13086

Plugin Details

Severity: High

ID: 297787

File Name: openSUSE-2026-20137-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/4/2026

Updated: 2/4/2026

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2025-13086

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.2

Threat Score: 4.6

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:openvpn-down-root-plugin, cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:openvpn-auth-pam-plugin, p-cpe:/a:novell:opensuse:openvpn-devel, p-cpe:/a:novell:opensuse:openvpn

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 1/29/2026

Vulnerability Publication Date: 11/17/2025

Reference Information

CVE: CVE-2025-13086

IAVA: 2025-A-0896