What’s Vulnerable › Vulnerabilities

CVE-2023-40544: Westermo Lynx Cleartext Transmission of Sensitive Information

• Severity: medium (CVSS 5.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% 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-319

Description

An attacker with access to the network where the affected devices are located could maliciously actions to obtain, via a sniffer, sensitive information exchanged via TCP communications.

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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