How severe is CVE-2023-33235?

CVE-2023-33235 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-2023-33235 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33235?

CVE-2023-33235 affects Moxa Mxsecurity. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-33235?

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-2023-33235 published?

CVE-2023-33235 was published on 2023-05-22 and last updated on 2026-06-17.

CVE-2023-33235

CVE-2023-33235 is a high-severity vulnerability in Moxa Mxsecurity 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-77.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Moxa Mxsecurity
Published: 2023-05-22
Last modified: 2026-06-17

Description

MXsecurity version 1.0 is vulnearble to command injection vulnerability. This vulnerability has been reported in the SSH CLI program, which can be exploited by attackers who have gained authorization privileges. The attackers can break out of the restricted shell and subsequently execute arbitrary code.

Frequently asked questions

What is CVE-2023-33235?: MXsecurity version 1.0 is vulnearble to command injection vulnerability. This vulnerability has been reported in the SSH CLI program, which can be exploited by attackers who have gained authorization privileges. The attackers can break out of the restricted shell and subsequently execute arbitrary code.
How severe is CVE-2023-33235?: CVE-2023-33235 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-2023-33235 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33235?: CVE-2023-33235 affects Moxa Mxsecurity. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-33235?: 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-2023-33235 published?: CVE-2023-33235 was published on 2023-05-22 and last updated on 2026-06-17.

References

https://www.moxa.com/en/support/product-support/security-advisory/mxsecurity-command-injection-and-hardcoded-credential-vulnerabilities

Affected products (1)

cpe:2.3:a:moxa:mxsecurity:1.0:*:*:*:*:*:*:*

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