{"id":"CVE-2021-34563","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-34563","generatedAt":"2026-10-27T21:09:21.636Z","title":"This allows the cookie's value to be read or set by client-side JavaScript.","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.","published":"2021-08-31T11:15:08.000Z","lastModified":"2026-06-17T03:56:08.000Z","status":"Modified","sourceIdentifier":"info@cert.vde.com","cvss":{"version":"3.1","score":3.3,"severity":"LOW","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},"cwe":["CWE-1004"],"affected":["pepperl-fuchs/wha-gw-f2d2-0-as-z2-eth firmware","pepperl-fuchs/wha-gw-f2d2-0-as-z2-eth.eip firmware"],"epss":{"score":0.00239,"percentile":0.14838,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://cert.vde.com/en-us/advisories/vde-2021-027","tags":["Third Party Advisory"],"source":"info@cert.vde.com"},{"url":"https://cert.vde.com/en-us/advisories/vde-2021-027","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-34563","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}