CVE-2021-1230Improper Handling of Parameters in Cisco Nx-os System Software IN ACI Mode

Severity
7.5HIGHNVD
CNA8.6
EPSS
0.7%
top 27.94%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedFeb 24
Latest updateMay 24

Description

A vulnerability with the Border Gateway Protocol (BGP) for Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode could allow an unauthenticated, remote attacker to cause a routing process to crash, which could lead to a denial of service (DoS) condition. This vulnerability is due to an issue with the installation of routes upon receipt of a BGP update. An attacker could exploit this vulnerability by sending a crafted BGP update to an affected device. A successf

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

🔴Vulnerability Details

2
GHSA
GHSA-5hv8-h736-6fwx: A vulnerability with the Border Gateway Protocol (BGP) for Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode co2022-05-24
CVEList
Cisco Nexus 9000 Series Fabric Switches ACI Mode BGP Route Installation Denial of Service Vulnerability2021-02-24

📋Vendor Advisories

1
Cisco
Cisco Nexus 9000 Series Fabric Switches ACI Mode BGP Route Installation Denial of Service Vulnerability2021-02-24

🕵️Threat Intelligence

2
Talos
Vulnerability Spotlight: Multiple vulnerabilities in Trend Micro Home Network Security Station2021-05-24
Talos
Vulnerability Spotlight: Multiple vulnerabilities in Trend Micro Home Network Security Station2021-05-24
CVE-2021-1230 — Improper Handling of Parameters | cvebase