CVE-2023-40544

Westermo Lynx Cleartext Transmission of Sensitive Information

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.

Remediation

Workaround:

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

Category

5.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Third-Party Advisory cisa.gov
Affected: Westermo Lynx
Published at:
Updated at:

References

Link Tags
https://www.cisa.gov/news-events/ics-advisories/icsa-24-023-04 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2023-40544?
CVE-2023-40544 has been scored as a medium severity vulnerability.
How to fix CVE-2023-40544?
As a workaround for remediating CVE-2023-40544: Westermo recommends following best practices for hardening, such as restricting access, disable unused services (attack surface reduction), etc., to mitigate the reported vulnerabilities.
Is CVE-2023-40544 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-40544 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-40544?
CVE-2023-40544 affects Westermo Lynx.
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