CVE-2021-45834

Name: CVE-2021-45834
Creator: NVD / NIST
Published: 2022-03-18T11:15:07.917+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.25%

Last modified Jun 17, 2026

CVE-2021-45834 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.25% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

2.25%

80.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Opendocman	Opendocman	1.4.4

References

http://opendocman.comProduct
https://github.com/opendocman/opendocmanProduct, Third Party Advisory
https://github.com/opendocman/opendocman/issues/326Issue Tracking, Third Party Advisory
https://github.com/opendocman/opendocman/issues/330Exploit, Issue Tracking, Third Party Advisory
http://opendocman.comProduct
https://github.com/opendocman/opendocmanProduct, Third Party Advisory
https://github.com/opendocman/opendocman/issues/326Issue Tracking, Third Party Advisory
https://github.com/opendocman/opendocman/issues/330Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Mar 18, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-45834?

How severe is CVE-2021-45834?

CVE-2021-45834 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.25% probability of exploitation in the next 30 days.

How do I fix CVE-2021-45834?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-45834?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST