What is CVE-2020-3397?

CVE-2020-3397 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-2020-3397?

High severity. CVSS v3 base score is 8.6 out of 10.

Improper input validation in Cisco Nx-os Software

CVE-2020-3397

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 an affected device to unexpectedly reload, resulting in a denial of s…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.018 (76.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/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
Cisco Nexus_3016
Cisco Nexus_3048
Cisco Nexus_3064
Cisco Nexus_3064-t
Cisco Nexus_31108pc-v
Cisco Nexus_31108tc-v
Cisco Nexus_31128pq
Cisco Nexus_3132c-z
Cisco Nexus_3132q

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3397?: CVE-2020-3397 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-2020-3397?: High severity. CVSS v3 base score is 8.6 out of 10.