{"id":"CVE-2021-34563","aliases":["EUVD-2021-21213","GHSA-mh9v-6mm6-9gm4"],"status":"published","title":"In WirelessHART-Gateway versions 3.0.8 and 3.0.9 the HttpOnly flag is missing in a cookie which allows client-side javascript to modify it","description":"In PEPPERL+FUCHS WirelessHART-Gateway 3.0.8 and 3.0.9 the HttpOnly attribute is not set on a cookie. This allows the cookie's value to be read or set by client-side JavaScript.","severity":{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00239,"percentile":0.15081,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1004"],"published":"2021-08-31T10:32:58Z","modified":"2026-06-17T03:56:07Z","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-2021-34563"},{"url":"https://github.com/advisories/GHSA-mh9v-6mm6-9gm4"}],"sources":{"cve":[{"id":"CVE-2021-34563","title":"In WirelessHART-Gateway versions 3.0.8 and 3.0.9 the HttpOnly flag is missing in a cookie which allows client-side javascript to modify it","description":"In PEPPERL+FUCHS WirelessHART-Gateway 3.0.8 and 3.0.9 the HttpOnly attribute is not set on a cookie. This allows the cookie's value to be read or set by client-side JavaScript.","status":"published","published":"2021-08-31T10:32:58.577Z","modified":"2024-09-17T04:14:32.706Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-1004"],"updated_at":"2026-11-02T14:33:11.244759Z"}],"euvd":[{"id":"EUVD-2021-21213","description":"In PEPPERL+FUCHS WirelessHART-Gateway 3.0.8 and 3.0.9 the HttpOnly attribute is not set on a cookie. This allows the cookie's value to be read or set by client-side JavaScript.","status":"published","published":"2021-08-31T10:32:58Z","modified":"2024-09-17T04:14:32Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-03T00:28:24.821388Z"}],"ghsa":[{"id":"GHSA-mh9v-6mm6-9gm4","title":"In PEPPERL+FUCHS WirelessHART-Gateway 3.0.8 and 3.0.9 the HttpOnly attribute is not set on a...","description":"In PEPPERL+FUCHS WirelessHART-Gateway 3.0.8 and 3.0.9 the HttpOnly attribute is not set on a cookie. This allows the cookie's value to be read or set by client-side JavaScript.","status":"published","published":"2022-05-24T19:12:38Z","modified":"2023-01-28T05:07:40Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-1004"],"updated_at":"2026-11-02T14:44:33.554453Z"}],"nvd":[{"id":"CVE-2021-34563","description":"In PEPPERL+FUCHS WirelessHART-Gateway 3.0.8 and 3.0.9 the HttpOnly attribute is not set on a cookie. This allows the cookie's value to be read or set by client-side JavaScript.","status":"published","published":"2021-08-31T11:15:07.583Z","modified":"2026-06-17T03:56:07.903Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-1004"],"updated_at":"2026-11-02T14:06:57.67549Z"}]}}