CVE-2021-36387

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

1.48% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 72.2% of scored records. A rank, not a probability.

NVD base score

5.4 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-10-14 18:01Z4 YR AGO

Last updated

2024-08-04 00:54Z2 YR AGO

Reserved

2021-07-12

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 5.4)

CNA CVSS vector

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

Weaknesses

• CWE-639Authorization Bypass Through User-Controlled KeyBase
• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

e20aa8d21b768b18361212f0c5e91247a5389dcbbbfb3c69b9ea99402d007838

• packetstormsecurity.comhttp://packetstormsecurity.com/files/164515/Yellowfin-Cross-Site-Scripting-Insecure-Direct-Object-Reference.html
• wiki.yellowfinbi.comhttps://wiki.yellowfinbi.com/display/yfcurrent/Release+Notes+for+Yellowfin+9#ReleaseNotesforYellowfin9-Yellowfin9.6
• packetstormsecurity.comhttps://packetstormsecurity.com/files/164515/Yellowfin-Cross-Site-Scripting-Insecure-Direct-Object-Reference.html
• github.comhttps://github.com/cyberaz0r/Yellowfin-Multiple-Vulnerabilities/blob/main/README.md
• seclists.org20211019 Yellowfin < 9.6.1 Multiple Vulnerabilitieshttp://seclists.org/fulldisclosure/2021/Oct/15mailing-list
• cyberaz0r.infohttps://cyberaz0r.info/2021/10/yellowfin-multiple-vulnerabilities/