CVE-2019-1967 describes a denial-of-service vulnerability in the Network Time Protocol (NTP) feature of Cisco NX-OS Software, which is enabled by default. An unauthenticated, remote attacker can exploit this by flooding the device with Mode 7 NTP packets, leading to excessive resource consumption and potentially causing the device to restart or reload. This vulnerability has a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity and high impact on availability. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
6.2CPE matchmatch criteria | cpe:2.3:o:cisco:nx-os:6.2:*:*:*:*:*:*:* | ||
7.3CPE matchmatch criteria | cpe:2.3:o:cisco:nx-os:7.3:*:*:*:*:*:*:* | ||
8.1CPE matchmatch criteria | cpe:2.3:o:cisco:nx-os:8.1:*:*:*:*:*:*:* | ||
8.2CPE matchmatch criteria | cpe:2.3:o:cisco:nx-os:8.2:*:*:*:*:*:*:* | ||
8.3CPE matchmatch criteria | cpe:2.3:o:cisco:nx-os:8.3:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
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