CVE-2023-33236

CRITICALNVD 9.89.8—

9.8

MXsecurity version 1.0 is vulnearble to hardcoded credential vulnerability. This vulnerability has been reported that can be exploited to craft arbitrary JWT tokens and subsequently bypass authentication for web-based APIs.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 23.8%
KEV: Not listed

Published

May 22, 2023

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated May 27, 2026

No patch confirmed yet.

generic

MXsecurity Command Injection and Hardcoded Credential Vulnerabilities | Moxa

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

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-798Use of Hard-coded Credentials

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:11 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-33236?

CVE-2023-33236 is a critical vulnerability published on May 22, 2023. MXsecurity version 1.0 is vulnearble to hardcoded credential vulnerability. This vulnerability has been reported that can be exploited to craft arbitrary JWT tokens and subsequently bypass authentication for web-based APIs.

When was CVE-2023-33236 disclosed?

CVE-2023-33236 was first published in the National Vulnerability Database on May 22, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-33236 actively exploited?

CVE-2023-33236 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 23.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-33236?

CVE-2023-33236 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-33236?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-33236, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-33236

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

MXsecurity Command Injection and Hardcoded Credential Vulnerabilities | Moxa

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-33236?

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Advisory Details (1)

Frequently asked(5)

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