CVE-2024-21907

Name: CVE-2024-21907
Creator: NVD / NIST
Published: 2024-01-03T16:15:08.793+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 32.91%

Last modified Jun 17, 2026

CVE-2024-21907 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 32.91% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

32.91%

98.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Newtonsoft	Json.Net	< 13.0.1

References

https://alephsecurity.com/2018/10/22/StackOverflowException/Exploit
https://alephsecurity.com/vulns/aleph-2018004Exploit
https://github.com/JamesNK/Newtonsoft.Json/commit/7e77bbe1beccceac4fc7b174b53abfefac278b66Patch
https://github.com/JamesNK/Newtonsoft.Json/issues/2457Exploit, Issue Tracking, Third Party Advisory
https://github.com/JamesNK/Newtonsoft.Json/pull/2462Patch
https://github.com/advisories/GHSA-5crp-9r3c-p9vrThird Party Advisory
https://security.snyk.io/vuln/SNYK-DOTNET-NEWTONSOFTJSON-2774678Exploit, Third Party Advisory
https://vulncheck.com/advisories/vc-advisory-GHSA-5crp-9r3c-p9vrThird Party Advisory
https://alephsecurity.com/2018/10/22/StackOverflowException/Exploit
https://alephsecurity.com/vulns/aleph-2018004Exploit
https://github.com/JamesNK/Newtonsoft.Json/commit/7e77bbe1beccceac4fc7b174b53abfefac278b66Patch
https://github.com/JamesNK/Newtonsoft.Json/issues/2457Exploit, Issue Tracking, Third Party Advisory
https://github.com/JamesNK/Newtonsoft.Json/pull/2462Patch
https://github.com/advisories/GHSA-5crp-9r3c-p9vrThird Party Advisory
https://security.snyk.io/vuln/SNYK-DOTNET-NEWTONSOFTJSON-2774678Exploit, Third Party Advisory
https://vulncheck.com/advisories/vc-advisory-GHSA-5crp-9r3c-p9vrThird Party Advisory

Timeline

Published: Jan 3, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-21907?

How severe is CVE-2024-21907?

CVE-2024-21907 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 32.91% probability of exploitation in the next 30 days.

How do I fix CVE-2024-21907?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-21907?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST