VDB

CVE-2021-1586

CVE-2021-1586 PUBLISHED CVSS 8.600000381469727 HIGH

A vulnerability in the Multi-Pod or Multi-Site network configurations for Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode could allow an unauthenticated, remote attacker to unexpectedly restart the device, resulting in a denial of service (DoS) condition. This vulnerability exists because TCP traffic sent to a specific port on an affected device is not properly sanitized. An attacker could exploit this vulnerability by sending crafted TCP data to a specific port that is listening on a public-facing IP address for the Multi-Pod or Multi-Site configuration. A successful exploit could allow the attacker to cause the device to restart unexpectedly, resulting in a DoS condition.

EPSS 0.08% · 23.8th percentile

Risk Scores

CVSS 3.1
8.600000381469727
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS Score
0.08%
23.8th percentile

Affected Products

VendorProductVersions
cisconx-os*, *
CiscoCisco NX-OS System Software in ACI Moden/a

Timeline

  • Aug 25, 2021 CVE Published
  • Aug 26, 2021 EPSS Score
  • Oct 23, 2021 EPSS Score
  • Dec 20, 2021 EPSS Score
  • Jan 6, 2022 EPSS Score
  • Feb 17, 2022 EPSS Score
  • Apr 1, 2022 EPSS Score
  • Apr 16, 2022 EPSS Score
  • Jun 13, 2022 EPSS Score
  • Aug 11, 2022 EPSS Score
  • Oct 8, 2022 EPSS Score
  • Dec 5, 2022 EPSS Score
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