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HIGH CISA KEV

CVE-2023-4966

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?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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