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

7.5HIGH

Key Information:

Vendor
Phoenix Contact
Status
Wha-gw-f2d2-0-as- Z2-eth
Wha-gw-f2d2-0-as- Z2-eth.eip
Vendor
CVE Published:
31 August 2021

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 Version(s)

WHA-GW-F2D2-0-AS- Z2-ETH 3.0.7

WHA-GW-F2D2-0-AS- Z2-ETH.EIP 3.0.7

References

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

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Pepperl+Fuchs reported this vulnerability. CERT@VDE coordinated.
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CVE-2021-33555 : A vulnerability may allow remote attackers to read arbitrary files on the server of the WirelessHART-Gateway | SecurityVulnerability.io