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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.6 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
INCIBECNA
8.6 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 60%
VendorProductVersion
zivautomation4cct-ea6-334126bf_firmware
3.23.80.27.36371
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.incibe-cert.es/en/early-warning/ics-advisories/4cct-vulnerable-denial-service-attack
https://www.incibe-cert.es/en/early-warning/ics-advisories/4cct-vulnerable-denial-service-attack