{"id":"CVE-2021-33555","aliases":["EUVD-2021-20247","GHSA-xc2w-5wwx-wg78"],"status":"published","title":"A vulnerability may allow remote attackers to read arbitrary files on the server of the WirelessHART-Gateway","description":"In PEPPERL+FUCHS WirelessHART-Gateway \u003c= 3.0.7 the filename parameter is vulnerable to unauthenticated path traversal attacks, enabling read access to arbitrary files on the server.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01215,"percentile":0.68774,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2021-08-31T10:32:52Z","modified":"2026-06-17T03:54:47Z","products":[{"vendor":"pepperl-fuchs","product":"wha-gw-f2d2-0-as-_z2-eth.eip_firmware"},{"vendor":"pepperl-fuchs","product":"wha-gw-f2d2-0-as-z2-eth_firmware"},{"vendor":"phoenix contact","product":"wha-gw-f2d2-0-as- z2-eth"},{"vendor":"phoenix contact","product":"wha-gw-f2d2-0-as- z2-eth.eip"}],"references":[{"url":"https://cert.vde.com/en-us/advisories/vde-2021-027","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33555"},{"url":"https://github.com/advisories/GHSA-xc2w-5wwx-wg78"}],"sources":{"cve":[{"id":"CVE-2021-33555","title":"A vulnerability may allow remote attackers to read arbitrary files on the server of the WirelessHART-Gateway","description":"In PEPPERL+FUCHS WirelessHART-Gateway \u003c= 3.0.7 the filename parameter is vulnerable to unauthenticated path traversal attacks, enabling read access to arbitrary files on the server.","status":"published","published":"2021-08-31T10:32:52.841Z","modified":"2024-09-17T01:36:42.946Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-20247","description":"In PEPPERL+FUCHS WirelessHART-Gateway \u003c= 3.0.7 the filename parameter is vulnerable to unauthenticated path traversal attacks, enabling read access to arbitrary files on the server.","status":"published","published":"2021-08-31T10:32:52Z","modified":"2024-09-17T01:36:42Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-03T00:28:47.904483Z"}],"ghsa":[{"id":"GHSA-xc2w-5wwx-wg78","title":"In PEPPERL+FUCHS WirelessHART-Gateway \u003c= 3.0.7 the filename parameter is vulnerable to...","description":"In PEPPERL+FUCHS WirelessHART-Gateway \u003c= 3.0.7 the filename parameter is vulnerable to unauthenticated path traversal attacks, enabling read access to arbitrary files on the server.","status":"published","published":"2022-05-24T19:12:38Z","modified":"2023-01-30T05:01:48Z","cwes":["CWE-22"],"updated_at":"2026-11-02T14:46:29.327755Z"}],"nvd":[{"id":"CVE-2021-33555","description":"In PEPPERL+FUCHS WirelessHART-Gateway \u003c= 3.0.7 the filename parameter is vulnerable to unauthenticated path traversal attacks, enabling read access to arbitrary files on the server.","status":"published","published":"2021-08-31T11:15:07.277Z","modified":"2026-06-17T03:54:47.387Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:06:57.67549Z"}]}}