What is the CVSS score of CVE-2023-30300?

CVE-2023-30300 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2023-30300?

Yes, a public proof-of-concept exploit is available for CVE-2023-30300. Prioritise patching immediately. EPSS: 0.3%.

Webassembly CVE-2023-30300

MEDIUM

Loop with Unreachable Exit Condition (Infinite Loop) (CWE-835)

2023-05-03 cve@mitre.org

Denial Of Service Webassembly

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

May 03, 2023 - 20:15 nvd

MEDIUM 5.5

DescriptionNVD

An issue in the component hang.wasm of WebAssembly 1.0 causes an infinite loop.

AnalysisAI

An issue in the component hang.wasm of WebAssembly 1.0 causes an infinite loop. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-835. An issue in the component hang.wasm of WebAssembly 1.0 causes an infinite loop. Affected products include: W3 Webassembly.

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.