What is CVE-2019-1964?

CVE-2019-1964 is a high-severity vulnerability in Cisco 7000 10-Slot, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2019-08-28.

How severe is CVE-2019-1964?

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

Improper input validation in Cisco 7000 10-Slot

CVE-2019-1964

A vulnerability in the IPv6 traffic processing of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause an unexpected restart of the netstack process on an affected device. The vulnerability is due to improper validation of IPv6 traffic sent through an affected device. An attacker could exploit this vulnerability by sending a malformed IPv6 packet through an affected device. A successful exploit could allow the attacker to cause a denial of service (DoS) condition while the netstack process restarts. A sustained attack could lead to a reboot of the device.

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

EPSS: 0.020 (78.5th 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 7000_10-slot
Cisco 7000_18-slot
Cisco 7000_4-slot
Cisco 7000_9-slot
Cisco 7700_10-slot
Cisco 7700_18-slot
Cisco 7700_2-slot
Cisco 7700_6-slot
Cisco Nx-os Software 8.1(1) — versions unspecified
Cisco N77-f312ck-26

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-2019-1964?: CVE-2019-1964 is a high-severity vulnerability in Cisco 7000 10-Slot, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2019-08-28.
How severe is CVE-2019-1964?: High severity. CVSS v3 base score is 8.6 out of 10.