CVE-2020-3398 — Improper Input Validation in Cisco Nx-os Software
Severity
8.6HIGHNVD
EPSS
1.4%
top 19.64%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 27
Latest updateMay 24
Description
A vulnerability in the Border Gateway Protocol (BGP) Multicast VPN (MVPN) implementation of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a BGP session to repeatedly reset, causing a partial denial of service (DoS) condition due to the BGP session being down. The vulnerability is due to incorrect parsing of a specific type of BGP MVPN update message. An attacker could exploit this vulnerability by sending this BGP MVPN update message to a targeted device. A succes…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:HExploitability: 3.9 | Impact: 4.0
Affected Packages1 packages
🔴Vulnerability Details
2GHSA▶
GHSA-4jqq-x95h-w7jm: A vulnerability in the Border Gateway Protocol (BGP) Multicast VPN (MVPN) implementation of Cisco NX-OS Software could allow an unauthenticated, remot↗2022-05-24
CVEList▶
Cisco NX-OS Software Border Gateway Protocol Multicast VPN Session Denial of Service Vulnerability↗2020-08-27
📋Vendor Advisories
1Cisco▶
Cisco NX-OS Software Border Gateway Protocol Multicast VPN Session Denial of Service Vulnerability↗2020-08-26