{"id":"CVE-2020-10867","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-10867","generatedAt":"2026-10-27T21:20:39.387Z","title":"The aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe) allows attackers to bypass intended access restrictions on tasks from an untrusted process, when Self Defense is enabled.","description":"An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe) allows attackers to bypass intended access restrictions on tasks from an untrusted process, when Self Defense is enabled.","published":"2020-04-01T18:15:16.000Z","lastModified":"2026-06-17T02:48:35.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","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-668"],"affected":["avast/antivirus"],"epss":{"score":0.02216,"percentile":0.82513,"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 (2.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://forum.avast.com/index.php?topic=232420.0","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://forum.avast.com/index.php?topic=232423.0","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://forum.avast.com/index.php?topic=232420.0","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://forum.avast.com/index.php?topic=232423.0","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-10867","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."}