CVE-2021-34561 is a serious DNS Rebinding vulnerability affecting PEPPERL+FUCHS WirelessHART-Gateway versions up to 3.0.8, allowing attackers to bypass IP or firewall restrictions by proxying through a victim's browser. With a CVSS score of 8.8 (HIGH), this vulnerability is easily exploitable over the network with low complexity and no privileges, potentially leading to high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.0.8CPE matchmatch criteria | cpe:2.3:o:pepperl-fuchs:wha-gw-f2d2-0-as-z2-eth_firmware:*:*:*:*:*:*:*:* | ||
<= 3.0.8CPE matchmatch criteria | cpe:2.3:o:pepperl-fuchs:wha-gw-f2d2-0-as-z2-eth.eip_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.
Remediation records are not available for this CVE.