CVE-2020-3527 is a high-severity vulnerability affecting Cisco Catalyst 9200 Series Switches, stemming from insufficient packet size validation in the Polaris kernel. An unauthenticated, remote attacker can exploit this by sending oversized frames to the management interface, leading to a device crash and denial of service. The vulnerability has a CVSS score of 8.6 (HIGH) due to its network-based attack vector, low attack complexity, and high impact on availability. Currently, 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 |
|---|---|---|---|
>= 16.9.0, < 16.9.5CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* | ||
>= 16.12.0, < 16.12.3CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* |
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
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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.