AUGUST 4, 2026
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Case File

CVE-2021-34561

HIGH · CVSS 7.5 EPSS 0.87%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-31 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-34561
Severity
HIGH
CVSS
7.5
EPSS
0.87%

Original NVD Description

In PEPPERL+FUCHS WirelessHART-Gateway <= 3.0.8 serious issue exists, if the application is not externally accessible or uses IP-based access restrictions. Attackers can use DNS Rebinding to bypass any IP or firewall based access restrictions that may be in place, by proxying through their target's browser.