High severity · published Oct 5, 2016
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…
7.5
CVSS
3.2%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.2% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IX
IOS XE · Cisco
3.1.0s; 3.1.1s; 3.1.2s; 3.1.3as; 3.1.4as; 3.1.4s; +34 more · source: NVD
IO
Ios · Cisco
12.4(15)t7; 12.4(15)t8; 12.4(15)t9; 12.4(15)t10; 12.4(15)t11; 12.4(15)t12; +34 more · source: NVD
IX
Ios XE 16.1 · Cisco
16.1.2 · source: NVD
IX
Ios XE 3.3sg · Cisco
3.3.0sg; 3.3.1sg; 3.3.2sg · source: NVD
IX
Ios XE 3.3xo · Cisco
3.3.0xo; 3.3.1xo · source: NVD
IX
Ios XE 3.4sg · Cisco
3.4.0sg; 3.4.1sg; 3.4.2sg; 3.4.3sg; 3.4.4sg; 3.4.5sg; +2 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-6381
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-6381
Vendor Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-ios-ikev1
Third Party Advisory
http://www.securityfocus.com/bid/93195
www.securitytracker.com
http://www.securitytracker.com/id/1036914
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