Home / Vulnerabilities / CVE-2021-42237
CRITICAL SEVERITY Ransomware Linked
CVE-2021-42237 Sitecore · XP

Sitecore XP Remote Command Execution Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

CRITICAL
9.8 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

94.37 %
Predictive Probability
Percentile Rank
100.0 th

Documented as more likely to be exploited than 100.0% of known CVEs.

Detection Date

Mar 25, 2022

Remediation Due

Apr 15, 2022

CISA Catalog Active

Threat Analysis

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

Remediation Directive

Apply updates per vendor instructions.

External Intelligence

NVD

National Vulnerability Database

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