Medium severity · published Oct 5, 2016
CVE-2016-6423
The IKEv2 client and initiator implementations in Cisco IOS 15.5(3)M and IOS XE allow remote IKEv2 servers to cause a denial of service (device reload) via crafted IKEv2 packets,…
6.5
CVSS
1.2%
EPSS
No
On KEV
Description
The IKEv2 client and initiator implementations in Cisco IOS 15.5(3)M and IOS XE allow remote IKEv2 servers to cause a denial of service (device reload) via crafted IKEv2 packets, aka Bug ID CSCux97540.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
Ios · Cisco
15.5(3)m · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-6423
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-6423
Vendor Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-ios-ikev
www.securityfocus.com
http://www.securityfocus.com/bid/93411
www.securitytracker.com
http://www.securitytracker.com/id/1036955
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