{"id":"CVE-2021-21001","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-21001","generatedAt":"2026-10-27T23:43:54.132Z","title":"On WAGO PFC200 devices in different firmware versions with special crafted packets an authorised attacker with network access to the device can access the file system with higher privileges.","description":"On WAGO PFC200 devices in different firmware versions with special crafted packets an authorised attacker with network access to the device can access the file system with higher privileges.","published":"2021-05-24T11:15:08.000Z","lastModified":"2026-06-17T03:34:38.000Z","status":"Analyzed","sourceIdentifier":"info@cert.vde.com","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-22"],"affected":["wago/750-823 firmware","wago/750-829 firmware","wago/750-831 firmware","wago/750-832 firmware","wago/750-852 firmware","wago/750-862 firmware","wago/750-880 firmware","wago/750-881 firmware","wago/750-882 firmware","wago/750-885 firmware","wago/750-889 firmware","wago/750-890 firmware","wago/750-891 firmware","wago/750-893 firmware","wago/750-8202 firmware","wago/750-8203 firmware","wago/750-8204 firmware","wago/750-8206 firmware","wago/750-8207 firmware","wago/750-8208 firmware","wago/750-8210 firmware","wago/750-8211 firmware","wago/750-8212 firmware","wago/750-8213 firmware","wago/750-8214 firmware","wago/750-8216 firmware","wago/750-8217 firmware"],"epss":{"score":0.01134,"percentile":0.6627,"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 (1.13%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://cert.vde.com/en-us/advisories/vde-2021-014","tags":["Third Party Advisory"],"source":"info@cert.vde.com"},{"url":"https://cert.vde.com/en-us/advisories/vde-2021-014","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-21001","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."}