Vulnerability in Newtonsoft Json.net

CVE-2024-21907

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.329 (98.3th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-21907: held from 0.329 to 0.329.

EPSS over last 30 days · oldest: 0.329 · newest: 0.329 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-21907?
CVE-2024-21907 is a high-severity vulnerability in Newtonsoft Json.net, classified under Improper Handling of Exceptional Conditions. CVSS score: 7.5/10. Published 2024-01-03.
How severe is CVE-2024-21907?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-21907 known to be exploited?
8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.