SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2024-21907

Newtonsoft.Json before version 13.0.1 is affected by a mishandling of exceptional conditions vulnerability.

HIGH 7.5EPSS 32.9%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 32.9%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
32.91% probability · 98th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-755
Affected
newtonsoft/json.net
Source
disclosure@vulncheck.com
EPSS trend
0%18%35%3 November 2026: 32.91%3 November 20263 November 2026

EPSS 32.9% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.