VulnerabilityModified
CVE-2016-1478
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.
HIGH 7.5EPSS 1.94%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.94%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.94% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- cisco/ios
- Source
- psirt@cisco.com
References
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160804-wedgeVendor Advisory
- http://www.securityfocus.com/bid/92317
- http://www.securitytracker.com/id/1036541
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160804-wedgeVendor Advisory
- http://www.securityfocus.com/bid/92317
- http://www.securitytracker.com/id/1036541
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.