VULNERABILITY INTELLIGENCE
CVE-2014-3309
CVSS score5 MEDIUM
EPSS probability2.11%
CISA KEVNot currently listed
Published2014-07-09
Last modified2026-06-17
CVSS vectorAV:N/AC:L/Au:N/C:P/I:N/A:N
Description
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 CSCuj66318.