CVE-2016-1478

HIGH

Cisco IOS 15.5(3)S3 15.6(1)S2 15.6(2)S1 15.6(2)T1 - Denial of Service via NTP Packet Processing

Title source: llm

Description

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.

References (3)

Core 3

Core References

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/92317

Vendor Advisory vendor-advisory x_refsource_cisco

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160804-wedge

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1036541

Scores

CVSS v3 7.5

EPSS 0.0194

EPSS Percentile 77.7%

Attack Vector NETWORK

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

Details

CWE

CWE-20

Status published

Products (4)

cisco/ios 15.5\(3\)s3

cisco/ios 15.6\(1\)s2

cisco/ios 15.6\(2\)s1

cisco/ios 15.6\(2\)t1

Published Aug 08, 2016

Tracked Since Feb 18, 2026