Vulnerability CVE-2021-37444
Published: 2021-07-25   Modified: 2021-07-26

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.

Type:

CWE-22

 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'))

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Nchsoftware -> Ivm attendant 

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