{"id":"CVE-2016-8856","aliases":["EUVD-2016-9681","GHSA-rjw9-v59v-932x"],"status":"published","title":"Foxit Reader for Mac 2.1.0.0804 and earlier and Foxit Reader for Linux 2.1.0.0805 and earlier...","description":"Foxit Reader for Mac 2.1.0.0804 and earlier and Foxit Reader for Linux 2.1.0.0805 and earlier suffered from a vulnerability where weak file permissions could be exploited by attackers to execute arbitrary code. After the installation, Foxit Reader's core files were world-writable by default, allowing an attacker to overwrite them with backdoor code, which when executed by privileged user would result in Privilege Escalation, Code Execution, or both.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00823,"percentile":0.57602,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-275"],"published":"2016-10-31T10:00:00Z","modified":"2026-06-17T00:55:05Z","products":[{"vendor":"foxitsoftware","product":"reader"}],"references":[{"url":"http://www.securityfocus.com/bid/93608","tags":["vdb-entry","x_refsource_BID","x_transferred","Technical Description","VDB Entry"]},{"url":"https://www.foxitsoftware.com/support/security-bulletins.php","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1037101","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-8856"},{"url":"https://github.com/advisories/GHSA-rjw9-v59v-932x"}],"sources":{"cve":[{"id":"CVE-2016-8856","description":"Foxit Reader for Mac 2.1.0.0804 and earlier and Foxit Reader for Linux 2.1.0.0805 and earlier suffered from a vulnerability where weak file permissions could be exploited by attackers to execute arbitrary code. After the installation, Foxit Reader's core files were world-writable by default, allowing an attacker to overwrite them with backdoor code, which when executed by privileged user would result in Privilege Escalation, Code Execution, or both.","status":"published","published":"2016-10-31T10:00:00Z","modified":"2024-08-06T02:35:01.612Z","updated_at":"2026-11-02T14:33:32.724067Z"}],"euvd":[{"id":"EUVD-2016-9681","description":"Foxit Reader for Mac 2.1.0.0804 and earlier and Foxit Reader for Linux 2.1.0.0805 and earlier suffered from a vulnerability where weak file permissions could be exploited by attackers to execute arbitrary code. After the installation, Foxit Reader's core files were world-writable by default, allowing an attacker to overwrite them with backdoor code, which when executed by privileged user would result in Privilege Escalation, Code Execution, or both.","status":"published","published":"2016-10-31T10:00:00Z","modified":"2024-08-06T02:35:01Z","updated_at":"2026-11-03T02:22:29.188942Z"}],"ghsa":[{"id":"GHSA-rjw9-v59v-932x","title":"Foxit Reader for Mac 2.1.0.0804 and earlier and Foxit Reader for Linux 2.1.0.0805 and earlier...","description":"Foxit Reader for Mac 2.1.0.0804 and earlier and Foxit Reader for Linux 2.1.0.0805 and earlier suffered from a vulnerability where weak file permissions could be exploited by attackers to execute arbitrary code. After the installation, Foxit Reader's core files were world-writable by default, allowing an attacker to overwrite them with backdoor code, which when executed by privileged user would result in Privilege Escalation, Code Execution, or both.","status":"published","published":"2022-05-17T02:22:42Z","modified":"2023-01-27T05:04:11Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:42:24.641814Z"}],"nvd":[{"id":"CVE-2016-8856","description":"Foxit Reader for Mac 2.1.0.0804 and earlier and Foxit Reader for Linux 2.1.0.0805 and earlier suffered from a vulnerability where weak file permissions could be exploited by attackers to execute arbitrary code. After the installation, Foxit Reader's core files were world-writable by default, allowing an attacker to overwrite them with backdoor code, which when executed by privileged user would result in Privilege Escalation, Code Execution, or both.","status":"published","published":"2016-10-31T10:59:09.38Z","modified":"2026-06-17T00:55:05.18Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/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-275"],"updated_at":"2026-11-02T14:03:32.086916Z"}]}}