{"id":"CVE-2020-28922","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-28922","generatedAt":"2026-10-27T23:29:41.854Z","title":"The PCADRVX64.SYS kernel driver exposes IOCTL functionality that allows low-privilege users to read and write arbitrary physical memory.","description":"An issue was discovered in Devid Espenschied PC Analyser through 4.10. The PCADRVX64.SYS kernel driver exposes IOCTL functionality that allows low-privilege users to read and write arbitrary physical memory. This could lead to arbitrary Ring-0 code execution and escalation of privileges.","published":"2020-11-27T18:15:12.000Z","lastModified":"2026-06-17T03:10:50.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},"cwe":[],"affected":["pcanalyser/pc analyser"],"epss":{"score":0.00682,"percentile":0.5221,"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 (0.68%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.pcanalyser.de/index.php/historie/","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/eset/vulnerability-disclosures","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/eset/vulnerability-disclosures/blob/master/CVE-2020-28922/CVE-2020-28922.md","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.pcanalyser.de/index.php/historie/","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/eset/vulnerability-disclosures","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/eset/vulnerability-disclosures/blob/master/CVE-2020-28922/CVE-2020-28922.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-28922","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."}