CVE-2021-25909

ZIV AUTOMATION 4CCT Denial of Service vulnerability

Description

ZIV Automation 4CCT-EA6-334126BF firmware version 3.23.80.27.36371, allows an unauthenticated, remote attacker to cause a denial of service condition on the device. An attacker could exploit this vulnerability by sending specific packets to the port 7919.

Remediation

Solution:

  • Update to firmware version 3.23.80.58.46120

Category

8.6
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.42%
Third-Party Advisory incibe-cert.es
Affected: ZIV AUTOMATION 4CCT-EA6-334126BF
Published at:
Updated at:

References

Link Tags
https://www.incibe-cert.es/en/early-warning/ics-advisories/4cct-vulnerable-denial-service-attack third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-25909?
CVE-2021-25909 has been scored as a high severity vulnerability.
How to fix CVE-2021-25909?
To fix CVE-2021-25909: Update to firmware version 3.23.80.58.46120
Is CVE-2021-25909 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-25909 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-2021-25909?
CVE-2021-25909 affects ZIV AUTOMATION 4CCT-EA6-334126BF.
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