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% (72nd 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% (72nd 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% (72nd 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:*:*:*:*:*:*:*

More vulnerabilities in Moxa Mxsecurity

CVE-2023-39979 — Critical (CVSS 9.8): There is a vulnerability in MXsecurity versions prior to 1.0.1 that can be exploited to bypass authentication. A remote…
CVE-2023-33236 — Critical (CVSS 9.8): MXsecurity version 1.0 is vulnearble to hardcoded credential vulnerability. This vulnerability has been reported that…
CVE-2023-39982 — High (CVSS 7.5): A vulnerability has been identified in MXsecurity versions prior to v1.0.1. The vulnerability may put the…
CVE-2023-39981 — High (CVSS 7.5): A vulnerability that allows for unauthorized access has been discovered in MXsecurity versions prior to v1.0.1. This…
CVE-2023-39980 — High (CVSS 7.1): A vulnerability that allows the unauthorized disclosure of authenticated information has been identified in MXsecurity…
CVE-2024-4740 — Medium (CVSS 5.3): MXsecurity software versions v1.1.0 and prior are vulnerable because of the use of hard-coded credentials. This…

All CVEs affecting Moxa Mxsecurity →

Other CWE-77 (Command Injection) vulnerabilities

CVE-2025-70518 — Critical (CVSS 10.0): The management portal's diagnostic ping tool of Fanvil x7a firmware version 2.6.0.1182 does not handle user supplied…
CVE-2026-105484 — Critical (CVSS 10.0): A security vulnerability has been detected in TOTOLINK X6000R 9.4.0cu.652_B20230116. The impacted element is the…
CVE-2026-105134 — Critical (CVSS 10.0): A flaw has been found in Ahsay AhsayCBS up to 10.3.2. This vulnerability affects unknown code of the file…
CVE-2026-102240 — Critical (CVSS 10.0): A vulnerability was found in Netcore NAP930 0.1.241010.141410. This affects the function eval of the file…
CVE-2026-101076 — Critical (CVSS 10.0): A vulnerability was detected in Netcore NR289-GE 1.4.5102. This affects the function system of the file…
CVE-2026-101075 — Critical (CVSS 10.0): A security vulnerability has been detected in Netcore NR289-GE 1.4.5102. The impacted element is the function system of…

Browse all CWE-77 (Command Injection) vulnerabilities →