CVE-2021-36388

Name: CVE-2021-36388
Creator: NVD / NIST
Published: 2021-10-14T19:15:09.223+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.05%

Last modified Jun 17, 2026

CVE-2021-36388 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In Yellowfin before 9.6.1 it is possible to enumerate and download users profile pictures through an Insecure Direct Object Reference vulnerability exploitable by sending a specially crafted HTTP GET request to the page "MIIAvatarImage.i4".. EPSS estimates a 3.05% chance of exploitation in the next 30 days.

Description

In Yellowfin before 9.6.1 it is possible to enumerate and download users profile pictures through an Insecure Direct Object Reference vulnerability exploitable by sending a specially crafted HTTP GET request to the page "MIIAvatarImage.i4".

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

3.05%

85.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-639

Affected Software

Vendor	Product	Versions
Yellowfinbi	Yellowfin	< 9.6.1

References

http://seclists.org/fulldisclosure/2021/Oct/15Third Party Advisory
https://cyberaz0r.info/2021/10/yellowfin-multiple-vulnerabilities/
https://github.com/cyberaz0r/Yellowfin-Multiple-Vulnerabilities/blob/main/README.mdThird Party Advisory
https://packetstormsecurity.com/files/164515/Yellowfin-Cross-Site-Scripting-Insecure-Direct-Object-Reference.htmlThird Party Advisory, VDB Entry
https://wiki.yellowfinbi.com/display/yfcurrent/Release+Notes+for+Yellowfin+9#ReleaseNotesforYellowfin9-Yellowfin9.6Release Notes, Vendor Advisory
http://seclists.org/fulldisclosure/2021/Oct/15Third Party Advisory
https://cyberaz0r.info/2021/10/yellowfin-multiple-vulnerabilities/
https://github.com/cyberaz0r/Yellowfin-Multiple-Vulnerabilities/blob/main/README.mdThird Party Advisory
https://packetstormsecurity.com/files/164515/Yellowfin-Cross-Site-Scripting-Insecure-Direct-Object-Reference.htmlThird Party Advisory, VDB Entry
https://wiki.yellowfinbi.com/display/yfcurrent/Release+Notes+for+Yellowfin+9#ReleaseNotesforYellowfin9-Yellowfin9.6Release Notes, Vendor Advisory

Timeline

Published: Oct 14, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36388?

How severe is CVE-2021-36388?

CVE-2021-36388 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.05% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36388?

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-2021-36388?

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

Scan your code now

Source: NVD / NIST