CVE-2021-34561
Last modified
CVE-2021-34561 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.87% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Pepperl-Fuchs | Wha-Gw-F2d2-0-As-Z2-Eth Firmware | <= 3.0.8 |
| Pepperl-Fuchs | Wha-Gw-F2d2-0-As-Z2-Eth.Eip Firmware | <= 3.0.8 |
References
- https://cert.vde.com/en-us/advisories/vde-2021-027Third Party Advisory
- https://cert.vde.com/en-us/advisories/vde-2021-027Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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