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Unrated severityNVD Advisory· Published Aug 31, 2021· Updated Sep 17, 2024

A vulnerability in WirelessHART-Gateway <= 3.0.8 allows to bypass any IP or firewall based access restrictions through DNS rebinding

CVE-2021-34561

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Pepperl+Fuchs/WirelessHART-Gatewayllm-fuzzy
    Range: <=3.0.8
  • Phoenix Contact/WHA-GW-F2D2-0-AS- Z2-ETHv5
    Range: 3.0.8
  • Phoenix Contact/WHA-GW-F2D2-0-AS- Z2-ETH.EIPv5
    Range: 3.0.8

Patches

Vulnerability mechanics

References

1

News mentions

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