CVE-2021-33555
Published: 31 August 2021
Summary
CVE-2021-33555 is a high-severity Path Traversal (CWE-22) vulnerability in Pepperl-Fuchs Wha-Gw-F2D2-0-As-Z2-Eth Firmware. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 23.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-20247
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Validates pathnames and filenames to prevent traversal outside intended directories.