THREATPORT/VULNERABILITY/CVE-2024-21907
HIGH SEVERITY

CVE-2024-21907

Json.Net vulnerability

CVSS
7.5
EPSS
32.9%
EPSS pct
98th
Exploited
No known
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 vendor
Newtonsoft
Affected product
Json.Net
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type (CWE)
Published
2024-01-03

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 32.9% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2024-21907

  • Confirm whether Newtonsoft Json.Net is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2024-21907.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2024-21907

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