CVE-2021-37447

Name: CVE-2021-37447
Creator: NVD / NIST
Published: 2021-07-25T22:15:08.153+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 1.58%

Last modified Jun 17, 2026

CVE-2021-37447 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. In NCH Quorum v2.03 and earlier, an authenticated user can use directory traversal via documentdelete?file=/.. for file deletion.. EPSS estimates a 1.58% chance of exploitation in the next 30 days.

Description

In NCH Quorum v2.03 and earlier, an authenticated user can use directory traversal via documentdelete?file=/.. for file deletion.

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

1.58%

72.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Nchsoftware	Quorum	<= 2.03

References

https://github.com/0xfml/poc/blob/main/NCH/Quorum_2.03_LFI.mdExploit, Third Party Advisory
https://www.nch.com.au/conference/index.htmlProduct
https://github.com/0xfml/poc/blob/main/NCH/Quorum_2.03_LFI.mdExploit, Third Party Advisory
https://www.nch.com.au/conference/index.htmlProduct

Timeline

Published: Jul 25, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-37447?

In NCH Quorum v2.03 and earlier, an authenticated user can use directory traversal via documentdelete?file=/.. for file deletion.

How severe is CVE-2021-37447?

CVE-2021-37447 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.58% probability of exploitation in the next 30 days.

How do I fix CVE-2021-37447?

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-2021-37447?

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

Scan your code now

Source: NVD / NIST