What is the CVSS score of CVE-2023-30421?

CVE-2023-30421 has a CVSS 3.1 base score of 2.9 (Low). CVSS vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2023-30421?

During next maintenance window: Apply vendor patches when convenient. Monitor vendor channels for updates.

CVE-2023-30421

LOW

Inefficient Algorithmic Complexity (CWE-407)

2025-04-19 cve@mitre.org

Information Disclosure

2.9

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

2.9 LOW

AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:37 vuln.today

CVE Published

Apr 19, 2025 - 22:15 nvd

LOW 2.9

DescriptionCVE.org

mystrtod in mjson 1.2.7 requires more than a billion iterations during processing of certain digit strings such as 8891110122900e913013935755114.

AnalysisAI

mystrtod in mjson 1.2.7 requires more than a billion iterations during processing of certain digit strings such as 8891110122900e913013935755114. Rated low severity (CVSS 2.9), this vulnerability is no authentication required. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-407. mystrtod in mjson 1.2.7 requires more than a billion iterations during processing of certain digit strings such as 8891110122900e913013935755114.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.