Vulnerability · Published Aug 31, 2021 · Assigned by CERTVDE

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

High 7.5

In plain English

A high-severity path traversal in WHA-GW-F2D2-0-AS- Z2-ETH from Phoenix Contact. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.2%top 31.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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 (as reported)

VendorProductVersions
Phoenix Contact WHA-GW-F2D2-0-AS- Z2-ETH 3.0.7 – through 3.0.7
Phoenix Contact WHA-GW-F2D2-0-AS- Z2-ETH.EIP 3.0.7 – through 3.0.7

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References