Critical severity · published Oct 11, 2021
CVE-2021-40887
Projectsend version r1295 is affected by a directory traversal vulnerability
9.8
CVSS
2.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PR
Projectsend · Projectsend
r1295 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-40887
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-40887
Exploit
https://github.com/projectsend/projectsend/issues/994
More from Projectsend
9.8
CVE-2024-11680
ProjectSend Unauthenticated Configuration Modification
9.8
CVE-2023-53980
ProjectSend r1605 Remote Code Execution via File Extension Manipulation
9.8
CVE-2016-10734
ProjectSend (formerly cFTP) r582 allows Insecure Direct Object Reference via includes/actions.log.export.php
9.8
CVE-2016-10733
ProjectSend (formerly cFTP) r582 allows directory traversal via file=../ in the process-zip-download.php query string
9.8
CVE-2016-10732
ProjectSend (formerly cFTP) r582 allows authentication bypass via a direct request for users.php, home.php, edit-file.php?file_id=1, or process-zip-download.php, or…