CVE-2021-42237

CRITICALCVSS 9.8Known Exploited

CISA Known Exploited Vulnerability

https://nvd.nist.gov/vuln/detail/CVE-2021-42237

Remediation deadline: April 15, 2022

Ransomware use: Known

Description

Sitcore XP contains an insecure deserialization vulnerability which can allow for remote code execution.

Timeline

Published:November 5th, 2021 2:15 PM

Last modified:July 9th, 2026 5:57 PM

Added to KEV:March 25th, 2022

CVSS Scoring

CVSS v3: 9.8 (CRITICAL)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2: 10.0

Affected Software

From NVD CPE configuration data

Vendors

sitecore

Products

experience_platform

Weaknesses (CWE)

References & Reports

Advisories, patches, and third-party reports

Source: NIST NVD · Data may lag official sources by up to one minute