CVE-2021-37444

Name: CVE-2021-37444
Creator: NVD / NIST
Published: 2021-07-25T22:15:08.057+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.93%

Last modified Jun 17, 2026

CVE-2021-37444 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. NCH IVM Attendant v5.12 and earlier suffers from a directory traversal weakness upon uploading plugins in a ZIP archive. This can lead to code execution if a ZIP element's pathname is set to a Windows startup folder, a file for the inbuilt Out-Going Message function, or a file for the the inbuilt Autodial function.. EPSS estimates a 1.93% chance of exploitation in the next 30 days.

Description

NCH IVM Attendant v5.12 and earlier suffers from a directory traversal weakness upon uploading plugins in a ZIP archive. This can lead to code execution if a ZIP element's pathname is set to a Windows startup folder, a file for the inbuilt Out-Going Message function, or a file for the the inbuilt Autodial function.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.93%

77.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Nchsoftware	Ivm Attendant	<= 5.12

References

https://github.com/0xfml/poc/blob/main/NCH/IVM_5.12_RCE.mdThird Party Advisory
https://www.nch.com.au/ivm/index.htmlProduct
https://github.com/0xfml/poc/blob/main/NCH/IVM_5.12_RCE.mdThird Party Advisory
https://www.nch.com.au/ivm/index.htmlProduct

Timeline

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

Frequently Asked Questions

What is CVE-2021-37444?

How severe is CVE-2021-37444?

CVE-2021-37444 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.93% probability of exploitation in the next 30 days.

How do I fix CVE-2021-37444?

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-2021-37444?

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

Scan your code now

Source: NVD / NIST