Is CVE-2019-9875 actively exploited?

CVE-2019-9875 has no public evidence of in-the-wild exploitation as of 2025-11-07.

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

CVE-2019-9875 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2019-9875?

Patch guidance is available from sitecore security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2019-9875.

Fix CVE-2019-9875 - HIGH sitecore cms

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-502 · Insecure Deserialization CWE-502 · Insecure Deserialization

Metadata

Primary Vendor: SITECORE
Published: 5/31/2019
Last Modified: 11/7/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2019-9875

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary