VulnerabilityModified
CVE-2016-6381
Cisco IOS 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.18 and 16.1 allow remote attackers to cause a denial of service (memory consumption or device reload) via fragmented IKEv1 packets, aka Bug ID CSCuy47382.
HIGH 7.5EPSS 3.21%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Cisco IOS 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.18 and 16.1 allow remote attackers to cause a denial of service (memory consumption or device reload) via fragmented IKEv1 packets, aka Bug ID CSCuy47382.
- 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
- 3.21% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- cisco/ios · cisco/ios xe · cisco/ios xe 16.1 · cisco/ios xe 3.3sg · cisco/ios xe 3.3xo · cisco/ios xe 3.4sg
- Source
- psirt@cisco.com
References
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-ios-ikev1Vendor Advisory
- http://www.securityfocus.com/bid/93195Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036914
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-ios-ikev1Vendor Advisory
- http://www.securityfocus.com/bid/93195Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036914
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.