What’s Vulnerable › Vulnerabilities

CVE-2023-40143: Westermo Lynx

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-06 · updated 2026-06-17
• Weakness: CWE-79

Description

An attacker with access to the Westermo Lynx web application that has the vulnerable software could introduce arbitrary JavaScript by injecting a cross-site scripting payload into the "forward.0.domain" parameter.

Affected products

• Westermo L206-F2G Firmware: 4.24

References

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

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