CVE-2018-0331 describes a denial-of-service (DoS) vulnerability in the Cisco Discovery Protocol (CDP) subsystem of devices running Cisco NX-OS Software, affecting numerous Cisco Nexus and UCS series products, as well as Firepower appliances. An unauthenticated, adjacent attacker can trigger this flaw by sending a specially crafted CDP message, leading to a device restart and DoS condition. The vulnerability has a CVSS v3.1 score of 6.5 (Medium), indicating an attack vector of adjacent network, low attack complexity, and high impact on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 7.1, < 7.1\(5\)n1\(1\)CPE matchmatch criteria | cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* | ||
>= 7.3, < 7.3\(3\)n1\(1\)CPE matchmatch criteria | cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:* | ||
6.0CPE matchmatch criteria | cpe:2.3:o:cisco:nx-os:6.0:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:cisco:nx-os:7.0:*:*:*:*:*:*:* | ||
7.2CPE matchmatch criteria | cpe:2.3:o:cisco:nx-os:7.2:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.