High severity7.5NVD Advisory· Published Aug 31, 2021· Updated Jun 17, 2026
CVE-2021-34561
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
5- cpe:2.3:o:pepperl-fuchs:wha-gw-f2d2-0-as-z2-eth.eip_firmware:*:*:*:*:*:*:*:*Range: <=3.0.8
- cpe:2.3:o:pepperl-fuchs:wha-gw-f2d2-0-as-z2-eth_firmware:*:*:*:*:*:*:*:*Range: <=3.0.8
- Range: <=3.0.8
- Phoenix Contact/WHA-GW-F2D2-0-AS- Z2-ETHv5Range: 3.0.8
- Phoenix Contact/WHA-GW-F2D2-0-AS- Z2-ETH.EIPv5Range: 3.0.8
Patches
Vulnerability mechanics
References
1- cert.vde.com/en-us/advisories/vde-2021-027nvdThird Party Advisory
News mentions
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