Risk Letters

Exploited vulnerability

CVE-2021-42237

TLP:CLEAR

Sitecore XP Remote Command Execution Vulnerability

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

Facts

  • Vendor: Sitecore
  • Product: XP
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 97.6 %
  • On CISA's Known Exploited Vulnerabilities list since: 25 March 2022
  • First known exploitation: 25 March 2022
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 15 April 2022
  • Weakness: CWE-502
  • First seen by Risk Letters: 25 March 2022

Members see which Nordic sectors the flaw hits, and what to do about it.

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD