Is CVE-2021-40884 actively exploited?

No active exploitation of CVE-2021-40884 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-40884 be exploited remotely?

Yes. CVE-2021-40884 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-40884?

CVE-2021-40884 has a CVSS score of 8.1 (HIGH).

HOME VULNERABILITIESCVE-2021-40884

HIGH

CVE-2021-40884

CWE-862Published: October 11, 2021· Updated: Jun 17, 2026

8.1

CVSS v3.1

Official Description

Projectsend version r1295 is affected by sensitive information disclosure. Because of not checking authorization in ids parameter in files-edit.php and id parameter in process.php function, a user with uploader role can download and edit all files of users in application.

NVD Source

Technical Analysis

CVE-2021-40884 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 8.1.