CVE-2023-4966

Published: Oct 10, 2023

Modified: Oct 21, 2025

PUBLISHED

CVSS v3.1

9.4

CRITICAL

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.

Vendor	Product	Versions
Citrix	NetScaler ADC	affected `14.1 - < 8.50` affected `13.1 - < 49.15` affected `13.0 - < 92.19` affected `13.1-FIPS - < 37.164` affected `12.1-FIPS - < 55.300` +1 more versions
Citrix	NetScaler Gateway	affected `14.1 - < 8.50` affected `13.1 - < 49.15` affected `13.0 - < 92.19`

Weaknesses (CWE)

CWE-119

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

Low

References

https://support.citrix.com/article/CTX579459

http://packetstormsecurity.com/files/175323/Citrix-Bleed-Session-Token-Leakage-Proof-Of-Concept.html

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CVE-2023-4966

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References