{"id":"CVE-2021-40887","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-40887","generatedAt":"2026-10-27T17:29:33.466Z","title":"Projectsend version r1295 is affected by a directory traversal vulnerability.","description":"Projectsend version r1295 is affected by a directory traversal vulnerability. Because of lacking sanitization input for files[] parameter, an attacker can add ../ to move all PHP files or any file on the system that has permissions to /upload/files/ folder.","published":"2021-10-11T11:15:10.000Z","lastModified":"2026-06-17T04:07:36.000Z","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-22"],"affected":["projectsend/projectsend"],"epss":{"score":0.0237,"percentile":0.8371,"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 (2.37%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/projectsend/projectsend/issues/994","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/projectsend/projectsend/issues/994","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-40887","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."}