CVE-2021-33555

Summary

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 Software

VendorProductVersion RangeStatus
Phoenix ContactWHA-GW-F2D2-0-AS- Z2-ETH3.0.7 <= 3.0.7affected
Phoenix ContactWHA-GW-F2D2-0-AS- Z2-ETH.EIP3.0.7 <= 3.0.7affected

Weaknesses

  • CWE-22: CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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