CVE-2020-3119 is a critical vulnerability in the Cisco Discovery Protocol (CDP) implementation within Cisco NX-OS Software, affecting various Cisco devices. This flaw allows an unauthenticated, adjacent attacker to execute arbitrary code with administrative privileges or cause a device reload due to improper input validation in CDP messages. With a CVSS score of 8.8 (High), it presents a significant risk as it requires only Layer 2 adjacency and no user interaction, potentially leading to full system compromise. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered considerable community discussion and media coverage, indicating its perceived severity and widespread impact.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 7.0\(3\)f2, < 9.3\(2\)CPE matchmatch criteria | cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* | ||
>= 7.0\(3\)i, < 7.0\(3\)i7\(8\)CPE matchmatch criteria | cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* | ||
>= 7.1, < 7.3\(6\)n1\(1\)CPE matchmatch criteria | cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* | ||
< 9.3\(2\)CPE matchmatch criteria | cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* | ||
>= 14.0, < 14.2\(1j\)CPE matchmatch criteria | cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.