Improper input validation in Cisco Nx-os Software
CVE-2020-3398
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 servic…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.014 (80.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Cisco Nx-os Software — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- 20200826 Cisco NX-OS Software Border Gateway Protocol Multicast VPN Session Denial of Service Vulnerability (vendor-advisory, x_refsource_CISCO)
Frequently asked questions
- What is CVE-2020-3398?
- CVE-2020-3398 is a high-severity vulnerability in Cisco Nx-os Software, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2020-08-27.
- How severe is CVE-2020-3398?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2020-3398 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.