CVE-2023-38579

Westermo Lynx 206-F2G Cross-Site Request Forgery

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.

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.  The reported cross site request forgery vulnerability was patched in a later WeOS4 version.

Category

8.0
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.05%
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-2023-38579?
CVE-2023-38579 has been scored as a high severity vulnerability.
How to fix CVE-2023-38579?
As a workaround for remediating CVE-2023-38579: 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 request forgery vulnerability was patched in a later WeOS4 version.
Is CVE-2023-38579 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-38579 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-2023-38579?
CVE-2023-38579 affects Westermo Lynx.
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