CVE-2017-5933

Citrix NetScaler ADC and NetScaler Gateway 10.5 before Build 65.11, 11.0 before Build 69.12/69.123, and 11.1 before Build 51.21 randomly generates GCM nonces, which makes it marginally easier for remote attackers to obtain the GCM authentication key and spoof data by leveraging a reused nonce in a session and a "forbidden attack," a similar issue to CVE-2016-0270.

• CWE-200

• http://www.securityfocus.com/bid/96151Third Party Advisory, VDB Entry
• https://github.com/nonce-disrespect/nonce-disrespectThird Party Advisory
• https://support.citrix.com/article/CTX220329Vendor Advisory
• http://www.securityfocus.com/bid/96151Third Party Advisory, VDB Entry
• https://github.com/nonce-disrespect/nonce-disrespectThird Party Advisory
• https://support.citrix.com/article/CTX220329Vendor Advisory

Published

Feb 8, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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