{"id":"CVE-2020-0805","aliases":["EUVD-2020-2292","GHSA-w4mr-vhgh-2fq7"],"status":"published","title":"Projected Filesystem Security Feature Bypass Vulnerability","description":"\u003cp\u003eA security feature bypass vulnerability exists when a Windows Projected Filesystem improperly handles file redirections. An attacker who successfully exploited this vulnerability could delete a targeted file they would not have permissions to.\u003c/p\u003e\n\u003cp\u003eTo exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by correcting how Windows Projected Filesystem handle file redirections.\u003c/p\u003e","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00871,"percentile":0.59106,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-732"],"published":"2020-09-11T17:08:23Z","modified":"2026-06-17T02:46:39Z","products":[{"vendor":"microsoft","product":"windows 10 version 2004"},{"vendor":"microsoft","product":"windows server version 2004"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_server_2016"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0805","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-0805"},{"url":"https://github.com/advisories/GHSA-w4mr-vhgh-2fq7"}],"sources":{"cve":[{"id":"CVE-2020-0805","title":"Projected Filesystem Security Feature Bypass Vulnerability","description":"\u003cp\u003eA security feature bypass vulnerability exists when a Windows Projected Filesystem improperly handles file redirections. An attacker who successfully exploited this vulnerability could delete a targeted file they would not have permissions to.\u003c/p\u003e\n\u003cp\u003eTo exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by correcting how Windows Projected Filesystem handle file redirections.\u003c/p\u003e","status":"published","published":"2020-09-11T17:08:23Z","modified":"2024-08-04T06:18:01.954Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:59.763887Z"}],"euvd":[{"id":"EUVD-2020-2292","description":"\u003cp\u003eA security feature bypass vulnerability exists when a Windows Projected Filesystem improperly handles file redirections. An attacker who successfully exploited this vulnerability could delete a targeted file they would not have permissions to.\u003c/p\u003e\n\u003cp\u003eTo exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by correcting how Windows Projected Filesystem handle file redirections.\u003c/p\u003e","status":"published","published":"2020-09-11T17:08:23Z","modified":"2024-08-04T06:18:01Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-03T03:08:17.347367Z"}],"ghsa":[{"id":"GHSA-w4mr-vhgh-2fq7","title":"A security feature bypass vulnerability exists when a Windows Projected Filesystem improperly...","description":"A security feature bypass vulnerability exists when a Windows Projected Filesystem improperly handles file redirections, aka 'Projected Filesystem Security Feature Bypass Vulnerability'.","status":"published","published":"2022-05-24T17:27:54Z","modified":"2024-01-01T00:30:37Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:55:19.223338Z"}],"nvd":[{"id":"CVE-2020-0805","description":"\u003cp\u003eA security feature bypass vulnerability exists when a Windows Projected Filesystem improperly handles file redirections. An attacker who successfully exploited this vulnerability could delete a targeted file they would not have permissions to.\u003c/p\u003e\n\u003cp\u003eTo exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by correcting how Windows Projected Filesystem handle file redirections.\u003c/p\u003e","status":"published","published":"2020-09-11T17:15:13.903Z","modified":"2026-06-17T02:46:39.46Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:06:14.981587Z"}]}}