CVE-2021-37777

Name: CVE-2021-37777
Creator: NVD / NIST
Published: 2021-10-04T14:15:07.517+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.65%

Last modified Jun 17, 2026

CVE-2021-37777 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Gila CMS 2.2.0 is vulnerable to Insecure Direct Object Reference (IDOR). Thumbnails uploaded by one site owner are visible by another site owner just by knowing the other site name and fuzzing for picture names. EPSS estimates a 1.65% chance of exploitation in the next 30 days.

Description

Gila CMS 2.2.0 is vulnerable to Insecure Direct Object Reference (IDOR). Thumbnails uploaded by one site owner are visible by another site owner just by knowing the other site name and fuzzing for picture names. This leads to sensitive information disclosure.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.65%

73.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-639

Affected Software

Vendor	Product	Versions
Gilacms	Gila Cms	2.2.0

References

https://www.navidkagalwalla.com/gila-cms-vulnerabilitiesExploit, Third Party Advisory
https://www.navidkagalwalla.com/gila-cms-vulnerabilitiesExploit, Third Party Advisory

Timeline

Published: Oct 4, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-37777?

How severe is CVE-2021-37777?

CVE-2021-37777 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.65% probability of exploitation in the next 30 days.

How do I fix CVE-2021-37777?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-37777?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST