CRITICAL

CVE-2021-45834

CVSS v3

9.8

CRITICAL

EPSS Score

2.3 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2021-45834 yet.

Full record on NVD

Description

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.

Technical details

Published: 2022-03-18

Frequently asked questions

What is CVE-2021-45834?

Is CVE-2021-45834 actively exploited?

Active exploitation of CVE-2021-45834 has not been confirmed. Its EPSS score was 2.3% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-45834?

CVE-2021-45834 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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