What’s Vulnerable › Vulnerabilities

CVE-2021-33555: A vulnerability may allow remote attackers to read arbitrary files on the server of the WirelessHART-Gateway

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-31 · updated 2026-06-17
• Weakness: CWE-22

Description

In PEPPERL+FUCHS WirelessHART-Gateway <= 3.0.7 the filename parameter is vulnerable to unauthenticated path traversal attacks, enabling read access to arbitrary files on the server.

Affected products

• Pepperl-Fuchs Wha-Gw-F2D2-0-As- Z2-Eth.Eip Firmware: through 3.0.7
• Pepperl-Fuchs Wha-Gw-F2D2-0-As-Z2-Eth Firmware: through 3.0.7

References

• https://cert.vde.com/en-us/advisories/vde-2021-027
• https://cert.vde.com/en-us/advisories/vde-2021-027

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