CVE-2022-21155

Fernhill SCADA Uncontrolled Resource Consumption

Description

A specially crafted packet sent to the Fernhill SCADA Server Version 3.77 and earlier may cause an exception, causing the server process (FHSvrService.exe) to exit.

Remediation

Solution:

  • Fernhill recommends users upgrade to Version 3.78 or later: https://www.fernhillsoftware.com/download.php For more information about this issue and how to apply the upgrade, please contact Fernhill online (https://www.fernhillsoftware.com/about-contact.php) or via email (support@fernhillsoftware.com).

Categories

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.10%
Third-Party Advisory cisa.gov
Affected: Fernhill SCADA Server
Published at:
Updated at:

References

Link Tags
https://www.cisa.gov/uscert/ics/advisories/icsa-22-006-02 us government resource third party advisory mitigation

Frequently Asked Questions

What is the severity of CVE-2022-21155?
CVE-2022-21155 has been scored as a high severity vulnerability.
How to fix CVE-2022-21155?
To fix CVE-2022-21155: Fernhill recommends users upgrade to Version 3.78 or later: https://www.fernhillsoftware.com/download.php For more information about this issue and how to apply the upgrade, please contact Fernhill online (https://www.fernhillsoftware.com/about-contact.php) or via email (support@fernhillsoftware.com).
Is CVE-2022-21155 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-21155 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-2022-21155?
CVE-2022-21155 affects Fernhill SCADA Server .
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