What is CVE-2021-37442?

CVE-2021-37442 is a medium-severity vulnerability in Nchsoftware Ivm Attendant, classified under Path Traversal. CVSS score: 6.5/10. Published 2021-07-25.

How severe is CVE-2021-37442?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Path Traversal in Nchsoftware Ivm Attendant

CVE-2021-37442

NCH IVM Attendant v5.12 and earlier allows path traversal via viewfile?file=/.. to read files.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2021-07-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.012 (67.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Nchsoftware Ivm Attendant

Weakness classification (CWE)

CWE-22 — Path Traversal

References

github.com/0xfml/poc/blob/main/NCH/IVM_5.12_LFI.md (Exploit, Third Party Advisory)
www.nch.com.au/ivm/index.html (Product)

Frequently asked questions

What is CVE-2021-37442?: CVE-2021-37442 is a medium-severity vulnerability in Nchsoftware Ivm Attendant, classified under Path Traversal. CVSS score: 6.5/10. Published 2021-07-25.
How severe is CVE-2021-37442?: Medium severity. CVSS v3 base score is 6.5 out of 10.