CVE-2023-4966

CRITICALCISA KEV

9.4

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.

CVE Details

CVSS v3.1 Score9.4

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published10/10/2023

Last Modified10/24/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorCitrix

ProductNetScaler ADC and NetScaler Gateway

Vulnerability NameCitrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability

KEV Date Added2023-10-18

Remediation Due Date2023-11-08

Ransomware UseKnown

Affected Products

citrix:netscaler_application_delivery_controllercitrix:netscaler_gateway

Weaknesses (CWE)

CWE-119

References

http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html(secure@citrix.com)

https://support.citrix.com/article/CTX579459(secure@citrix.com)

http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html(af854a3a-2127-422b-91ae-364da2661108)

https://support.citrix.com/article/CTX579459(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4966(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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