The NTP implementation in Cisco IOS and IOS XE does not properly
support use of the access-group command for a "deny all"
configuration, which allows remote attackers to bypass intended
restrictions on time synchronization via a standard query, aka Bug ID
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
CISCO:20140708 Cisco IOS Software and Cisco IOS XE Software NTP Access Group Vulnerability
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the CVE-ID was allocated or reserved, and does not
necessarily indicate when this vulnerability was
discovered, shared with the affected vendor, publicly
disclosed, or updated in CVE.
This is an entry on the CVE
list, which standardizes names for security