What’s Vulnerable › Vulnerabilities

CVE-2021-34685

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-11-08 · updated 2026-06-17
• Weakness: CWE-434

Description

UploadService in Hitachi Vantara Pentaho Business Analytics through 9.1 does not properly verify uploaded user files, which allows an authenticated user to upload various files of different file types. Specifically, a .jsp file is not allowed, but a .jsp. file is allowed (and leads to remote code execution).

Affected products

• Hitachi Vantara Pentaho: through 9.1.0.0

References

• http://packetstormsecurity.com/files/164775/Pentaho-Business-Analytics-Pentaho-Business-Server-9.1-Filename-Bypass.html
• https://www.hitachi.com/hirt/security/index.html
• http://packetstormsecurity.com/files/164775/Pentaho-Business-Analytics-Pentaho-Business-Server-9.1-Filename-Bypass.html
• https://www.hitachi.com/hirt/security/index.html

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