CVE-2021-34561
7.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Phoenix Contact | WHA-GW-F2D2-0-AS- Z2-ETH | 3.0.8 <= 3.0.8 | affected |
| Phoenix Contact | WHA-GW-F2D2-0-AS- Z2-ETH.EIP | 3.0.8 <= 3.0.8 | affected |
Weaknesses
- CWE-350: CWE-350 Reliance on Reverse DNS Resolution for a Security-Critical Action
Workarounds
An external protective measure is required.
- Minimize network exposure for affected products and ensure that they are not accessible via the Internet.
- Isolate affected products from the corporate network.
- If remote access is required, use secure methods such as virtual private networks (VPNs).
ADP Enrichment
CVE Program Container
Additional References
References
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