Detections
Analytics
Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: NetworkManager (UTSA-2026-150506)
low Nessus Plugin ID 376612
Synopsis
The Unity Linux host is missing one or more security updates.Description
The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-150506 advisory.DHCP can add routes to a clients routing table via the classless static route option (121). VPN-based security solutions that rely on routes to redirect traffic can be forced to leak traffic over the physical interface. An attacker on the same local network can read, disrupt, or possibly modify network traffic that was expected to be protected by the VPN.
Tenable has extracted the preceding description block directly from the Unity Linux 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 NetworkManager package.See Also
https://access.redhat.com/security/cve/CVE-2024-3661
https://bst.cisco.com/quickview/bug/CSCwk05814
https://datatracker.ietf.org/doc/html/rfc2131#section-7
https://datatracker.ietf.org/doc/html/rfc3442#section-7
https://fortiguard.fortinet.com/psirt/FG-IR-24-170
https://issuetracker.google.com/issues/263721377
https://mullvad.net/en/blog/evaluating-the-impact-of-tunnelvision
https://my.f5.com/manage/s/article/K000139553
https://news.ycombinator.com/item?id=40279632
https://news.ycombinator.com/item?id=40284111
https://security.paloaltonetworks.com/CVE-2024-3661
https://www.agwa.name/blog/post/hardening_openvpn_for_def_con
https://www.leviathansecurity.com/research/tunnelvision
https://www.theregister.com/2024/05/07/vpn_tunnelvision_dhcp/
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2024-00009
http://www.nessus.org/u?17aed9ce
http://www.nessus.org/u?2e723f70
http://www.nessus.org/u?576a2b6d
http://www.nessus.org/u?62532c2a
Plugin Details
Severity: Low
ID: 376612
File Name: unity_linux_UTSA-2026-150506.nasl
Version: 1.1
Type: Local
Published: 11/5/2026
Updated: 11/5/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
Percentile: 96.72
CVSS v2
Risk Factor: High
Base Score: 7.3
Temporal Score: 5.7
Vector: CVSS2#AV:A/AC:L/Au:N/C:C/I:P/A:P
CVSS Score Source: CVE-2024-3661
CVSS v3
Risk Factor: High
Base Score: 7.6
Temporal Score: 6.8
Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS v4
Risk Factor: Low
Base Score: 2.1
Threat Score: 1.2
Threat Vector: CVSS:4.0/E:P
Vector: CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Vulnerability Information
Required KB Items: Host/local_checks_enabled, Host/UOS-Server/release, Host/UOS-Server/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 11/5/2026
Vulnerability Publication Date: 5/6/2024
Reference Information
CVE: CVE-2024-3661