VULNERABILITY INTELLIGENCE
CVE-2021-34561
CVSS score7.5 HIGH
EPSS probability0.87%
CISA KEVNot currently listed
Published2021-08-31
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
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.
Weakness classification
- info@cert.vde.com: CWE-350
Primary references
- info@cert.vde.com — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory