CVE Catalog

CVE-2021-45834

CriticalCVSS 9.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

High risk
2.14%

80th percentile - higher than 80% of all known CVEs

Summary

A vulnerability in OpenDocMan 1.4.4 allows an attacker to bypass MIME type checks when uploading files via add.php. This can lead to automatic processing of malicious files within the product's environment or remote code execution.

Risk Assessment

The risk includes potential server compromise through arbitrary code execution, which may result in loss of confidentiality, integrity, and availability of organizational data.

Recommendation

Immediately update OpenDocMan to the latest version and implement server-side file type validation independent of the MIME header.

Original NVD description (English source)

An attacker can upload or transfer files of dangerous types to the OpenDocMan 1.4.4 portal via add.php using MIME-bypass, which may be automatically processed within the product's environment or lead to arbitrary code execution.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS