No exploitation reportedFix available

CVE-2023-43744

Q: Is CVE-2023-43744 actively exploited?

Active exploitation of CVE-2023-43744 has not been confirmed. Its EPSS score was 2.0% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2023-43744?

CVE-2023-43744 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2023-12-08
Fixed in17.0.10 · 16.0.4
WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An OS command injection vulnerability in Zultys MX-SE, MX-SE II, MX-E, MX-Virtual, MX250, and MX30 with firmware versions prior to 17.0.10 patch 17161 and 16.04 patch 16109 allows an administrator to execute arbitrary OS commands via a file name parameter in a patch application function. The Zultys MX Administrator client has a "Patch Manager" section that allows administrators to apply patches to the device. The user supplied filename for the patch file is passed to a shell script without validation. Including bash command substitution characters in a patch file name results in execution of the provided command.

Timeline

dates in UTC

2023-12-0801:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-43744?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-43744?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Zultys mx-e firmwareversion to verify

Branch	Affected	Fixed in	Source
17.0	≥ 17.0.6, < 17.0.10	17.0.10	NVD
16.0	< 16.0.4	16.0.4	NVD

Zultys mx-se firmwareversion to verify

Branch	Affected	Fixed in	Source
17.0	≥ 17.0.6, < 17.0.10	17.0.10	NVD
16.0	< 16.0.4	16.0.4	NVD

Zultys mx-se ii firmwareversion to verify

Branch	Affected	Fixed in	Source
17.0	≥ 17.0.6, < 17.0.10	17.0.10	NVD
16.0	< 16.0.4	16.0.4	NVD

3 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Zultys mx-e firmware to 17.0.10 · 16.0.4

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.17.2read 2026-10-23
NVDweakness (CWE)CWE-78read 2026-10-23
FIRST EPSSEPSS score2.0 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published: 2023-12-08
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-43744?

Is CVE-2023-43744 actively exploited?

Active exploitation of CVE-2023-43744 has not been confirmed. Its EPSS score was 2.0% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-43744?

CVE-2023-43744 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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