HIGH CISA KEV

CVE-2019-9875

CVSS v3

8.8

HIGH

EPSS Score

24.8%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

Deserialization of Untrusted Data in the anti CSRF module in Sitecore through 9.1 allows an authenticated attacker to execute arbitrary code by sending a serialized .NET object in an HTTP POST parameter.

CISA Known Exploited Vulnerability

Date Added
3/26/2025
Patch Due Date
4/16/2025
Ransomware Use
Unknown

Technical details

Published
5/31/2019

Frequently asked questions

What is CVE-2019-9875?

Deserialization of Untrusted Data in the anti CSRF module in Sitecore through 9.1 allows an authenticated attacker to execute arbitrary code by sending a serialized .NET object in an HTTP POST parameter.

Is CVE-2019-9875 actively exploited?

Yes. CVE-2019-9875 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 4/16/2025.

What is the CVSS score for CVE-2019-9875?

CVE-2019-9875 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2019-9875 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.