CVE-2021-37444

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-07-25 · updated 2026-06-17
Weakness: CWE-22

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.

Affected products

Nchsoftware Ivm Attendant: through 5.12

References

https://github.com/0xfml/poc/blob/main/NCH/IVM_5.12_RCE.md
https://www.nch.com.au/ivm/index.html
https://github.com/0xfml/poc/blob/main/NCH/IVM_5.12_RCE.md
https://www.nch.com.au/ivm/index.html

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