How to fix CVE-2024-21907?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Is Json Net affected by CVE-2024-21907?

Organizations using Newtonsoft.Json before version 13.0.1 face notable risk from CVE-2024-21907 rated CVSS 7.5. Exploitation could compromise the security of affected deployments. Proof-of-concept code is publicly available, increasing the risk of exploitation.

Json Net CVE-2024-21907

HIGH

Improper Handling of Exceptional Conditions (CWE-755)

2024-01-03 [email protected]

Denial Of Service Json Net

7.5

CVSS 3.1

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

Analysis Generated

Mar 28, 2026 - 19:33 vuln.today

Patch released

Mar 28, 2026 - 19:33 nvd

Patch available

PoC Detected

Nov 28, 2025 - 23:15 vuln.today

Public exploit code

CVE Published

Jan 03, 2024 - 16:15 nvd

HIGH 7.5

DescriptionNVD

Newtonsoft.Json before version 13.0.1 is affected by a mishandling of exceptional conditions vulnerability. Crafted data that is passed to the JsonConvert.DeserializeObject method may trigger a StackOverflow exception resulting in denial of service. Depending on the usage of the library, an unauthenticated and remote attacker may be able to cause the denial of service condition.

AnalysisAI

Newtonsoft.Json before version 13.0.1 is affected by a mishandling of exceptional conditions vulnerability. 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-755. Newtonsoft.Json before version 13.0.1 is affected by a mishandling of exceptional conditions vulnerability. Crafted data that is passed to the JsonConvert.DeserializeObject method may trigger a StackOverflow exception resulting in denial of service. Depending on the usage of the library, an unauthenticated and remote attacker may be able to cause the denial of service condition. Affected products include: Newtonsoft Json.Net. Version information: version 13.0.1.

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.

CVE-2024-21907 vulnerability details – vuln.today

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Json Net CVE-2024-21907

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code