PT-2021-16840 · Ziv · Ziv Automation 4Cct-Ea6-334126Bf

Published 2021-01-29 · Updated 2021-02-05 · CVE-2021-25909

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

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

Name of the Vulnerable Software and Affected Versions ZIV Automation 4CCT-EA6-334126BF version 3.23.80.27.36371

Description The issue allows an unauthenticated, remote attacker to cause a denial of service condition on the device. An attacker could exploit this by sending specific packets to the port 7919.

Recommendations For ZIV Automation 4CCT-EA6-334126BF version 3.23.80.27.36371, consider restricting access to port 7919 as a temporary workaround until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2021-25909

Affected Products

Ziv Automation 4Cct-Ea6-334126Bf

References · 4

• https://osv.dev/vulnerability/CVE-2021-25909 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-25909 · Security Note
• https://t.me/cibsecurity/22832 · Telegram Post
• https://incibe-cert.es/en/early-warning/ics-advisories/4cct-vulnerable-denial-service-attack · Note