CVE-2021-25909 — HIGH (8.6)

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.

CVSS Score

8.6

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Zivautomation	4Cct-Ea6-334126Bf Firmware	3.23.80.27.36371
Zivautomation	4Cct-Ea6-334126Bf	-

Related Weaknesses (CWE)

CWE-400

References

https://www.incibe-cert.es/en/early-warning/ics-advisories/4cct-vulnerable-deniaThird Party Advisory
https://www.incibe-cert.es/en/early-warning/ics-advisories/4cct-vulnerable-deniaThird Party Advisory

FAQ

What is CVE-2021-25909?

CVE-2021-25909 is a vulnerability with a CVSS score of 8.6 (HIGH). 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 vuln...

How severe is CVE-2021-25909?

CVE-2021-25909 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-25909?

Check the references section above for vendor advisories and patch information. Affected products include: Zivautomation 4Cct-Ea6-334126Bf Firmware, Zivautomation 4Cct-Ea6-334126Bf.