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Case File

CVE-2021-20999

CRITICAL · CVSS 9.4 EPSS 0.95% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-05-13 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.4. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-20999
Severity
CRITICAL
CVSS
9.4
EPSS
0.95%

Original NVD Description

In Weidmüller u-controls and IoT-Gateways in versions up to 1.12.1 a network port intended only for device-internal usage is accidentally accessible via external network interfaces. By exploiting this vulnerability the device may be manipulated or the operation may be stopped.

Related CVEs

Other vulnerabilities affecting the same vendor(s)