What is CVE-2024-43916?

CVE-2024-43916 is a medium-severity vulnerability in Dylan James Zephyr Project Manager, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2024-08-26.

How severe is CVE-2024-43916?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2024-43916 known to be exploited?

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

Auth bypass in Dylan James Zephyr Project Manager

CVE-2024-43916

Authorization Bypass Through User-Controlled Key vulnerability in Dylan James Zephyr Project Manager.This issue affects Zephyr Project Manager: from n/a through 3.3.102.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2024-08-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (22.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

Public proof-of-concept exploits

References

patchstack.com/database/vulnerability/zephyr-project-manager/wordpress-zephyr-p… (Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2024-43916?: CVE-2024-43916 is a medium-severity vulnerability in Dylan James Zephyr Project Manager, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2024-08-26.
How severe is CVE-2024-43916?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2024-43916 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.