CVE-2017-17549

MEDIUM

Citrix NetScaler ADC and Gateway - Sensitive Information Exposure via TLS DHE Key Exchange

Title source: llm
STIX 2.1

Description

Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway 10.5 before build 67.13, 11.0 before build 71.22, 11.1 before build 56.19, and 12.0 before build 53.22 allow remote attackers to obtain sensitive information from the backend client TLS handshake by leveraging use of TLS with Client Certificates and a Diffie-Hellman Ephemeral (DHE) key exchange.

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1040011
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/102177
Vendor Advisory x_refsource_confirm
https://support.citrix.com/article/ctx230612

Scores

CVSS v3 5.9
EPSS 0.0064
EPSS Percentile 70.7%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-200
Status published
Products (8)
citrix/application_delivery_controller_firmware 10.5
citrix/application_delivery_controller_firmware 11.0
citrix/application_delivery_controller_firmware 11.1
citrix/application_delivery_controller_firmware 12.0
citrix/netscaler_gateway_firmware 10.5
citrix/netscaler_gateway_firmware 11.0
citrix/netscaler_gateway_firmware 11.1
citrix/netscaler_gateway_firmware 12.0
Published Dec 13, 2017
Tracked Since Feb 18, 2026