What is CVE-2021-44949?

CVE-2021-44949 is a critical-severity vulnerability in Glfusion, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.8/10. Published 2021-12-14.

How severe is CVE-2021-44949?

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

Is CVE-2021-44949 known to be exploited?

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

Auth bypass in Glfusion

CVE-2021-44949

glFusion CMS 1.7.9 is affected by an access control vulnerability via /public_html/users.php.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2021-12-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (65.2th percentile), scored 2026-10-04.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Glfusion — versions 1.7.9

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

Public proof-of-concept exploits

nathomas34/cloud

References

github.com/glFusion/glfusion/issues/487 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-44949?: CVE-2021-44949 is a critical-severity vulnerability in Glfusion, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.8/10. Published 2021-12-14.
How severe is CVE-2021-44949?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-44949 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.