CVE-2021-36389

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-10-14 · updated 2026-06-17
Weakness: CWE-639

Description

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

Affected products

Yellowfinbi Yellowfin: before 9.6.1 — fixed in 9.6.1

How to fix

Upgrade to a fixed version: Yellowfinbi Yellowfin 9.6.1. Check the vendor advisory for mitigations.

References

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

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