SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2013-3861

Microsoft .NET Framework 2.0 SP2, 3.5, 3.5 SP1, 3.5.1, 4, and 4.5 allows remote attackers to cause a denial of service (application crash or hang) via crafted character sequences in JSON data, aka "JSON Parsing Vulnerability."

HIGH 7.8EPSS 82.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 82.4%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

Description

Microsoft .NET Framework 2.0 SP2, 3.5, 3.5 SP1, 3.5.1, 4, and 4.5 allows remote attackers to cause a denial of service (application crash or hang) via crafted character sequences in JSON data, aka "JSON Parsing Vulnerability."

CVSS 2.0
7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS
82.44% probability · 100th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
microsoft/.net framework
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.