How severe is CVE-2021-37444?

CVE-2021-37444 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-37444 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-37444?

CVE-2021-37444 affects Nchsoftware Ivm Attendant. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-37444?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-37444 published?

CVE-2021-37444 was published on 2021-07-25 and last updated on 2026-06-17.

CVE-2021-37444

CVE-2021-37444 is a high-severity vulnerability in Nchsoftware Ivm Attendant with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Nchsoftware Ivm Attendant
Published: 2021-07-25
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-37444?: 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.
How severe is CVE-2021-37444?: CVE-2021-37444 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-37444 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-37444?: CVE-2021-37444 affects Nchsoftware Ivm Attendant. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-37444?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-37444 published?: CVE-2021-37444 was published on 2021-07-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nchsoftware:ivm_attendant:*:*:*:*:*:*:*:*

More vulnerabilities in Nchsoftware Ivm Attendant

CVE-2021-37443 — High (CVSS 8.1): NCH IVM Attendant v5.12 and earlier allows path traversal via the logdeleteselected check0 parameter for file deletion.
CVE-2021-37442 — Medium (CVSS 6.5): NCH IVM Attendant v5.12 and earlier allows path traversal via viewfile?file=/.. to read files.
CVE-2021-37449 — Medium (CVSS 5.4): Cross Site Scripting (XSS) exists in NCH IVM Attendant v5.12 and earlier via /ogmlist?folder= (reflected).
CVE-2021-37448 — Medium (CVSS 5.4): Cross Site Scripting (XSS) exists in NCH IVM Attendant v5.12 and earlier via the Mailbox name (stored).
CVE-2021-37451 — Medium (CVSS 5.4): Cross Site Scripting (XSS) exists in NCH IVM Attendant v5.12 and earlier via /msglist?mbx= (reflected).
CVE-2021-37450 — Medium (CVSS 5.4): Cross Site Scripting (XSS) exists in NCH IVM Attendant v5.12 and earlier via /ogmprop?id= (reflected).

All CVEs affecting Nchsoftware Ivm Attendant →

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