VulnerabilityModified
CVE-2021-34561
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.
HIGH 8.8EPSS 0.87%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.87%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.87% probability · 57th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-350
- Affected
- pepperl-fuchs/wha-gw-f2d2-0-as-z2-eth firmware · pepperl-fuchs/wha-gw-f2d2-0-as-z2-eth.eip firmware
- Source
- info@cert.vde.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.