High severity · published May 29, 2016
CVE-2016-1409
The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS XE 2.1 through 3.17S, IOS XR 2.0.0 through 5.3.2, and NX-OS allows remote attackers to cause a…
7.5
CVSS
3.9%
EPSS
No
On KEV
Description
The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS XE 2.1 through 3.17S, IOS XR 2.0.0 through 5.3.2, and NX-OS allows remote attackers to cause a denial of service (packet-processing outage) via crafted ND messages, aka Bug ID CSCuz66542, as exploited in the wild in May 2016.
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)3.9% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IX
IOS XE · Cisco
2.1.0; 2.1.1; 2.1.2; 2.1.3; 2.2.0; 2.2.1; +34 more · source: NVD
IO
Ios · Cisco
12.0(1); 12.0(1)db; 12.0(1)s; 12.0(1)t; 12.0(1)t1; 12.0(1)xa; +34 more · source: NVD
IX
Ios XR · Cisco
2.0.0; 3.0.0; 3.0.1; 3.2.0; 3.2.1; 3.2.2; +34 more · source: NVD
NX
Nx-os · Cisco
1.0(1.110a); 1.0(1e); 1.0(2j); 1.1(0.825a); 1.1(1g); 4.0(0)n1(1a); +34 more · source: NVD