CVSS v3
7.5
HIGH
EPSS Score
94.3 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
Sensitive information disclosure in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.
CISA Known Exploited Vulnerability
- Date Added
- 2023-10-18
- Patch Due Date
- 2023-11-08
- Ransomware Use
- Known
Technical details
- Published
- 2023-10-10
Frequently asked questions
What is CVE-2023-4966?
Sensitive information disclosure in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.
Is CVE-2023-4966 actively exploited?
Yes. CVE-2023-4966 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 11/8/2023.
What is the CVSS score for CVE-2023-4966?
CVE-2023-4966 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2023-4966 affecting your environment?
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