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
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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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