A vulnerability in the Cisco Discovery Protocol component of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to execute arbitrary code as root or cause a denial of service (DoS) condition on the affected device. The vulnerability exists because of insufficiently validated Cisco Discovery Protocol packet headers. An attacker could exploit this vulnerability by sending a crafted Cisco Discovery Protocol packet to a Layer 2 adjacent affected device. A successful exploit could allow the attacker to cause a buffer overflow that could allow the attacker to execute arbitrary code as root or cause a DoS condition on the affected device. This vulnerability affects the following if configured to use Cisco Discovery Protocol: Firepower 4100 Series Next-Generation Firewalls, Firepower 9300 Security Appliance, MDS 9000 Series Multilayer Switches, Nexus 1000V Series Switches, Nexus 1100 Series Cloud Services Platforms, Nexus 2000 Series Fabric Extenders, Nexus 3000 Series Switches, Nexus 3500 Platform Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode, Nexus 9000 Series Switches in standalone NX-OS mode, Nexus 9500 R-Series Line Cards and Fabric Modules, UCS 6100 Series Fabric Interconnects, UCS 6200 Series Fabric Interconnects, UCS 6300 Series Fabric Interconnects. Cisco Bug IDs: CSCvc22202, CSCvc22205, CSCvc22208, CSCvc88078, CSCvc88150, CSCvc88159, CSCvc88162, CSCvc88167.

Published : 2018-06-21 11:29 Updated : 2019-10-09 23:31

CVSS Score More info
Score 8.3 / 10
Vendor Product Version URI
Cisco Nx-os 3.1%283a%29a cpe:/o:cisco:nx-os:3.1%283a%29a
Cisco Nx-os 7.0%280%29hsk%280.357%29 cpe:/o:cisco:nx-os:7.0%280%29hsk%280.357%29
Cisco Nx-os 7.0%283%29i4%287%29 cpe:/o:cisco:nx-os:7.0%283%29i4%287%29
Cisco Nx-os 7.0%283%29i7%281%29 cpe:/o:cisco:nx-os:7.0%283%29i7%281%29
Cisco Nx-os 8.0%281%29 cpe:/o:cisco:nx-os:8.0%281%29
Cisco Nx-os 8.1%280.2%29s0 cpe:/o:cisco:nx-os:8.1%280.2%29s0
Cisco Nx-os 8.8%280.1%29 cpe:/o:cisco:nx-os:8.8%280.1%29
Cisco Nx-os 8.8%283.5%29s0 cpe:/o:cisco:nx-os:8.8%283.5%29s0
  1. Cisco (1) Search CVE
    1. Nx-os (8) Search CVE
      1. 3.1%283a%29a
      2. 7.0%280%29hsk%280.357%29
      3. 7.0%283%29i4%287%29
      4. 7.0%283%29i7%281%29
      5. 8.0%281%29
      6. 8.1%280.2%29s0
      7. 8.8%280.1%29
      8. 8.8%283.5%29s0


ID Name Description Links
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. CVE

History of changes

Date Event
2019-10-03 00:03
2018-08-20 19:51
2018-06-24 01:29
2018-06-21 11:29