What is CVE-2016-10733?

CVE-2016-10733 is a critical-severity vulnerability in Projectsend, classified under Path Traversal. CVSS score: 9.8/10. Published 2018-10-29.

How severe is CVE-2016-10733?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2016-10733 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Path Traversal in Projectsend

CVE-2016-10733

ProjectSend (formerly cFTP) r582 allows directory traversal via file=../ in the process-zip-download.php query string.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2018-10-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (82.0th percentile), scored 2026-11-04.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Projectsend — versions 582

Weakness classification (CWE)

CWE-22 — Path Traversal

Public proof-of-concept exploits

References

github.com/sandboxescape/ProjectSend-multiple-vulnerabilities/ (Third Party Advisory)

Frequently asked questions

What is CVE-2016-10733?: CVE-2016-10733 is a critical-severity vulnerability in Projectsend, classified under Path Traversal. CVSS score: 9.8/10. Published 2018-10-29.
How severe is CVE-2016-10733?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-10733 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.