CVE-2017-17549 — MEDIUM (5.9)

Vulnerability 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.

CVSS Score

5.9

MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Citrix	Application Delivery Controller Firmware	10.5
Citrix	Netscaler Gateway Firmware	10.5

Related Weaknesses (CWE)

CWE-200

References

http://www.securityfocus.com/bid/102177Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040011Third Party AdvisoryVDB Entry
https://support.citrix.com/article/ctx230612Vendor Advisory
http://www.securityfocus.com/bid/102177Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040011Third Party AdvisoryVDB Entry
https://support.citrix.com/article/ctx230612Vendor Advisory

FAQ

What is CVE-2017-17549?

CVE-2017-17549 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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 attacke...

How severe is CVE-2017-17549?

CVE-2017-17549 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-17549?

Check the references section above for vendor advisories and patch information. Affected products include: Citrix Application Delivery Controller Firmware, Citrix Netscaler Gateway Firmware.