Resource exhaustion in Ziv Automation 4cct-Ea6-334126bf

CVE-2021-25909

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.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.013 (67.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-25909?
CVE-2021-25909 is a high-severity vulnerability in Ziv Automation 4cct-Ea6-334126bf, classified under Uncontrolled Resource Consumption. CVSS score: 8.6/10. Published 2021-01-29.
How severe is CVE-2021-25909?
High severity. CVSS v3 base score is 8.6 out of 10.