AUGUST 4, 2026
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Case File

CVE-2021-21004

HIGH · CVSS 7.4 EPSS 0.58%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-06-25 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-21004
Severity
HIGH
CVSS
7.4
EPSS
0.58%

Original NVD Description

In Phoenix Contact FL SWITCH SMCS series products in multiple versions an attacker may insert malicious code via LLDP frames into the web-based management which could then be executed by the client.