Westermo Lynx 206-F2G Cross-Site Request Forgery (CVE-2023-38579)

high Tenable OT Security Plugin ID 502186

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The cross-site request forgery token in the request may be predictable or easily guessable allowing attackers to craft a malicious request, which could be triggered by a victim unknowingly. In a successful CSRF attack, the attacker could lead the victim user to carry out an action unintentionally.

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Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.

Westermo recommends following best practices for hardening, such as restricting access, disable unused services (attack surface reduction), etc., to mitigate the reported vulnerabilities.

- The reported cross-site scripting vulnerabilities will be mitigated in a future report.
- The reported cross-origin resource sharing vulnerability will be mitigated in a future report.
- The reported code injection vulnerability will be mitigated in a future report.
- The reported cross site request forgery vulnerability was patched in a later WeOS4 version.

See Also

https://www.cisa.gov/news-events/ics-advisories/icsa-24-023-04

Plugin Details

Severity: High

ID: 502186

File Name: tenable_ot_westermo_CVE-2023-38579.nasl

Version: 1.3

Type: remote

Family: Tenable.ot

Published: 4/3/2024

Updated: 2/14/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2023-38579

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: cpe:/o:westermo:l206-f2g_firmware

Required KB Items: Tenable.ot/Westermo

Exploit Ease: No known exploits are available

Patch Publication Date: 1/23/2024

Vulnerability Publication Date: 1/23/2024

Reference Information

CVE: CVE-2023-38579

ICSA: 24-023-04