What is the CVSS score of CVE-2023-37899?

CVE-2023-37899 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.0%.

Is there a public PoC exploit available for CVE-2023-37899?

Yes, a public proof-of-concept exploit is available for CVE-2023-37899. Prioritise patching immediately. EPSS: 1.0%.

Is there a patch available for CVE-2023-37899?

Yes, a patch is available for CVE-2023-37899. Update the affected software to the latest version immediately.

Feathers CVE-2023-37899

HIGH

Improper Check for Unusual or Exceptional Conditions (CWE-754)

2023-07-19 security-advisories@github.com

Denial Of Service Feathers

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Jul 19, 2023 - 20:15 nvd

HIGH 7.5

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

1 npm packages depend on @feathersjs/transport-commons (1 direct, 0 indirect)

Ecosystem-wide dependent count for version 5.0.0.

DescriptionNVD

Feathersjs is a framework for creating web APIs and real-time applications with TypeScript or JavaScript. Feathers socket handler did not catch invalid string conversion errors like const message = ${{ toString: '' }} which would cause the NodeJS process to crash when sending an unexpected Socket.io message like socket.emit('find', { toString: '' }). A fix has been released in versions 5.0.8 and 4.5.18. Users are advised to upgrade. There is no known workaround for this vulnerability.

AnalysisAI

Feathersjs is a framework for creating web APIs and real-time applications with TypeScript or JavaScript. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-754. Feathersjs is a framework for creating web APIs and real-time applications with TypeScript or JavaScript. Feathers socket handler did not catch invalid string conversion errors like const message = ${{ toString: '' }} which would cause the NodeJS process to crash when sending an unexpected Socket.io message like socket.emit('find', { toString: '' }). A fix has been released in versions 5.0.8 and 4.5.18. Users are advised to upgrade. There is no known workaround for this vulnerability. Affected products include: Feathersjs Feathers.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.