CVE-2021-37443: NCH IVM Attendant v5.12 and earlier allows path traversal via the logdeleteselected check0 parameter for file

Q: How do I fix CVE-2021-37443?

ivm attendant: upgrade to newer than 5.12. Exact commands for each OS are on this page.

Q: Is CVE-2021-37443 being exploited?

CVE-2021-37443 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-37443 affect?

CVE-2021-37443 affects ivm attendant. Severity is high (CVSS 8.1). NCH IVM Attendant v5.12 and earlier allows path traversal via the logdeleteselected check0 parameter for file deletion.

Q: How urgent is CVE-2021-37443?

Priority 51/100. High severity; Public exploit reference

This month

HIGH 8.1UPGRADE

CVE-2021-37443 is a high-severity flaw (CVSS 8.1) affecting ivm attendant. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

NCH IVM Attendant v5.12 and earlier allows path traversal via the logdeleteselected check0 parameter for file deletion.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.2% (top 31%)
CISA exploited list	No
Weakness	CWE-22
Published	2021-07-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: nchsoftware

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-07-25 22:15 UTCPublished CVE record published
2026-06-17 04:00 UTCUpdated Record last modified

nchsoftware ivm attendant UPGRADE

Affected: <= 5.12

Fixed in: newer than 5.12

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ivm-attendant || rpm -q ivm-attendant || ivm-attendant --version

2. UPGRADE to newer than 5.12 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ivm-attendant

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ivm-attendant

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-37443?

ivm attendant: upgrade to newer than 5.12. Exact commands for each OS are on this page.

Is CVE-2021-37443 being exploited?

CVE-2021-37443 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-37443 affect?

CVE-2021-37443 affects ivm attendant. Severity is high (CVSS 8.1). NCH IVM Attendant v5.12 and earlier allows path traversal via the logdeleteselected check0 parameter for file deletion.

How urgent is CVE-2021-37443?

Priority 51/100. High severity; Public exploit reference

Related CVEs

CVE-2021-37451 MEDIUM 5.4 UPGRADE Cross Site Scripting (XSS) exists in NCH IVM Attendant v5.12 and earlier via /msglist?mbx= (reflected).
CVE-2021-37450 MEDIUM 5.4 UPGRADE Cross Site Scripting (XSS) exists in NCH IVM Attendant v5.12 and earlier via /ogmprop?id= (reflected).
CVE-2021-37449 MEDIUM 5.4 UPGRADE Cross Site Scripting (XSS) exists in NCH IVM Attendant v5.12 and earlier via /ogmlist?folder= (reflected).
CVE-2021-37448 MEDIUM 5.4 UPGRADE Cross Site Scripting (XSS) exists in NCH IVM Attendant v5.12 and earlier via the Mailbox name (stored).
CVE-2021-37444 HIGH 8.8 UPGRADE NCH IVM Attendant v5.12 and earlier suffers from a directory traversal weakness upon uploading plugins in a ZI

References

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