{"id":"CVE-2021-32984","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-32984","generatedAt":"2026-10-27T22:27:52.205Z","title":"All programming connections receive the same unlocked privileges, which can result in a privilege escalation.","description":"All programming connections receive the same unlocked privileges, which can result in a privilege escalation. During the time Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 is unlocked by an authorized user, an attacker can connect to the PLC and read the project without authorization.","published":"2022-04-04T20:15:09.000Z","lastModified":"2026-06-17T03:53:57.000Z","status":"Modified","sourceIdentifier":"ics-cert@hq.dhs.gov","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-288","CWE-287"],"affected":["automationdirect/c0-10dd1e-d firmware","automationdirect/c0-10dd2e-d firmware","automationdirect/c0-10dre-d firmware","automationdirect/c0-10are-d firmware","automationdirect/c0-11dd1e-d firmware","automationdirect/c0-11dd2e-d firmware","automationdirect/c0-11dre-d firmware","automationdirect/c0-11are-d firmware","automationdirect/c0-12dd1e-d firmware","automationdirect/c0-12dd2e-d firmware","automationdirect/c0-12dre-d firmware","automationdirect/c0-12are-d firmware","automationdirect/c0-12dd1e-1-d firmware","automationdirect/c0-12dd2e-1-d firmware","automationdirect/c0-12dre-1-d firmware","automationdirect/c0-12are-1-d firmware","automationdirect/c0-12dd1e-2-d firmware","automationdirect/c0-12dd2e-2-d firmware","automationdirect/c0-12dre-2-d firmware","automationdirect/c0-12are-2-d firmware"],"epss":{"score":0.01113,"percentile":0.65772,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-166-02","tags":["Third Party Advisory","US Government Resource"],"source":"ics-cert@hq.dhs.gov"},{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-166-02","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-32984","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."}