How severe is CVE-2023-43744?

CVE-2023-43744 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-43744 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-2023-43744?

CVE-2023-43744 primarily affects Zultys Mx-se Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-43744?

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-2023-43744 published?

CVE-2023-43744 was published on 2023-12-08 and last updated on 2026-06-17.

CVE-2023-43744

CVE-2023-43744 is a high-severity vulnerability in Zultys Mx-se Firmware with a CVSS 3.x base score of 7.2. 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-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Zultys Mx-se Firmware
Published: 2023-12-08
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-43744?: 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.
How severe is CVE-2023-43744?: CVE-2023-43744 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-43744 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-2023-43744?: CVE-2023-43744 primarily affects Zultys Mx-se Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-43744?: 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-2023-43744 published?: CVE-2023-43744 was published on 2023-12-08 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:o:zultys:mx-se_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zultys:mx-se_ii_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zultys:mx-e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zultys:mx-virtual_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zultys:mx250_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zultys:mx30_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Zultys Mx-se Firmware

CVE-2023-43742 — Critical (CVSS 9.8): An authentication bypass in Zultys MX-SE, MX-SE II, MX-E, MX-Virtual, MX250, and MX30 with firmware versions prior to…
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