CVE-2021-25909 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5