CVE-2021-42237
CVSS v3
9.8
CRITICAL
EPSS Score
94.4 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
Sitecore XP 7.5 Initial Release to Sitecore XP 8.2 Update-7 is vulnerable to an insecure deserialization attack where it is possible to achieve remote command execution on the machine. No authentication or special configuration is required to exploit this vulnerability.
CISA Known Exploited Vulnerability
- Date Added
- 2022-03-25
- Patch Due Date
- 2022-04-15
- Ransomware Use
- Known
Technical details
- Published
- 2021-11-05
Frequently asked questions
What is CVE-2021-42237?
Sitecore XP 7.5 Initial Release to Sitecore XP 8.2 Update-7 is vulnerable to an insecure deserialization attack where it is possible to achieve remote command execution on the machine. No authentication or special configuration is required to exploit this vulnerability.
Is CVE-2021-42237 actively exploited?
Yes. CVE-2021-42237 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 2022-04-15.
What is the CVSS score for CVE-2021-42237?
CVE-2021-42237 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2021-42237 affecting your environment?
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