High severity · published Oct 6, 2016
CVE-2015-6393
Cisco NX-OS 4.1 through 7.3 and 11.0 through 11.2 on Nexus 2000, 3000, 3500, 5000, 5500, 5600, 6000, 7000, 7700, and 9000 devices allows remote attackers to cause a denial of…
7.5
CVSS
2.8%
EPSS
No
On KEV
Description
Cisco NX-OS 4.1 through 7.3 and 11.0 through 11.2 on Nexus 2000, 3000, 3500, 5000, 5500, 5600, 6000, 7000, 7700, and 9000 devices allows remote attackers to cause a denial of service (device crash) via malformed IPv4 DHCP packets to the DHCPv4 relay agent, aka Bug IDs CSCuq39250, CSCus21733, CSCus21739, CSCut76171, and CSCux67182.
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)2.8% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NX
Nx-os · Cisco
4.2(1)n1(1); 4.2(1)n2(1); 4.2(1)n2(1a); 5.0(2)n1(1); 5.0(2)n2(1); 5.0(2)n2(1a); +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-6393
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-6393
Vendor Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-dhcp2
www.securityfocus.com
http://www.securityfocus.com/bid/93419
www.securitytracker.com
http://www.securitytracker.com/id/1036949
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