What’s Vulnerable › Vulnerabilities

CVE-2021-25910: ZIV AUTOMATION 4CCT vulnerable to improper authentication

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-01-29 · updated 2026-06-17
• Weakness: CWE-287

Description

Improper Authentication vulnerability in the cookie parameter of ZIV AUTOMATION 4CCT-EA6-334126BF allows a local attacker to perform modifications in several parameters of the affected device as an authenticated user.

Affected products

• ZIV AUTOMATION 4CCT-EA6-334126BF: 3.23.77.8.33251

References

• https://www.incibe-cert.es/en/early-warning/ics-advisories/4cct-vulnerable-improper-authentication
• https://www.incibe-cert.es/en/early-warning/ics-advisories/4cct-vulnerable-improper-authentication

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