{"id":"CVE-2020-26893","aliases":["EUVD-2020-19423","GHSA-w39g-j8qq-3fch"],"status":"published","title":"An issue was discovered in ClamXAV 3 before 3.1.1. A malicious actor could use a properly signed...","description":"An issue was discovered in ClamXAV 3 before 3.1.1. A malicious actor could use a properly signed copy of ClamXAV 2 (running with an injected malicious dylib) to communicate with ClamXAV 3's helper tool and perform privileged operations. This occurs because of inadequate client verification in the helper tool.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0023,"percentile":0.13875,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-345"],"published":"2020-10-16T12:53:54Z","modified":"2026-06-17T03:08:28Z","products":[{"vendor":"clamxav","product":"clamxav"}],"references":[{"url":"https://gist.github.com/matt-clamxav/d341bd48f12a14d2147f8ce860bb36d0","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-26893"},{"url":"https://github.com/advisories/GHSA-w39g-j8qq-3fch"}],"sources":{"cve":[{"id":"CVE-2020-26893","description":"An issue was discovered in ClamXAV 3 before 3.1.1. A malicious actor could use a properly signed copy of ClamXAV 2 (running with an injected malicious dylib) to communicate with ClamXAV 3's helper tool and perform privileged operations. This occurs because of inadequate client verification in the helper tool.","status":"published","published":"2020-10-16T12:53:54Z","modified":"2024-08-04T16:03:22.896Z","updated_at":"2026-11-02T14:35:45.763329Z"}],"euvd":[{"id":"EUVD-2020-19423","description":"An issue was discovered in ClamXAV 3 before 3.1.1. A malicious actor could use a properly signed copy of ClamXAV 2 (running with an injected malicious dylib) to communicate with ClamXAV 3's helper tool and perform privileged operations. This occurs because of inadequate client verification in the helper tool.","status":"published","published":"2020-10-16T12:53:54Z","modified":"2024-08-04T16:03:22Z","updated_at":"2026-11-03T03:07:14.653267Z"}],"ghsa":[{"id":"GHSA-w39g-j8qq-3fch","title":"An issue was discovered in ClamXAV 3 before 3.1.1. A malicious actor could use a properly signed...","description":"An issue was discovered in ClamXAV 3 before 3.1.1. A malicious actor could use a properly signed copy of ClamXAV 2 (running with an injected malicious dylib) to communicate with ClamXAV 3's helper tool and perform privileged operations. This occurs because of inadequate client verification in the helper tool.","status":"published","published":"2022-05-24T17:31:04Z","modified":"2023-01-29T05:04:55Z","cwes":["CWE-345"],"updated_at":"2026-11-02T14:45:40.253766Z"}],"nvd":[{"id":"CVE-2020-26893","description":"An issue was discovered in ClamXAV 3 before 3.1.1. A malicious actor could use a properly signed copy of ClamXAV 2 (running with an injected malicious dylib) to communicate with ClamXAV 3's helper tool and perform privileged operations. This occurs because of inadequate client verification in the helper tool.","status":"published","published":"2020-10-16T13:15:11.707Z","modified":"2026-06-17T03:08:28.777Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T14:06:19.351389Z"}]}}