CVE-2021-34561
Published: 31 August 2021
Summary
CVE-2021-34561 is a high-severity Reliance on Reverse DNS Resolution for a Security-Critical Action (CWE-350) vulnerability in Pepperl-Fuchs Wha-Gw-F2D2-0-As-Z2-Eth Firmware. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 43.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-21211
Vulnerability details
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…
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proxying through their target's browser.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.