Cisco IOS 15.5(3)S3, 15.6(1)S2, 15.6(2)S1, and 15.6(2)T1 does not properly dequeue invalid NTP packets, which allows remote attackers to cause a denial of service (interface wedge) by sending many crafted NTP packets, aka Bug ID CSCva35619.
2016-08-08T00:59:09.203
2025-04-12T10:46:40.837
Deferred
CVSSv3.0: 7.5 (HIGH)
AV:N/AC:L/Au:N/C:N/I:N/A:C
10.0
6.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Operating System | cisco | ios | 15.5\(3\)s3 | Yes |
Operating System | cisco | ios | 15.6\(1\)s2 | Yes |
Operating System | cisco | ios | 15.6\(2\)s1 | Yes |
Operating System | cisco | ios | 15.6\(2\)t1 | Yes |