All vulnerabilities
CVE-2021-42237

XP: Sitecore XP Remote Command Execution Vulnerability

Sitecore XP
Open in ThreatlineRecord JSON
CVSS
9.8Critical
ExploitationExploited in the wildAdded to KEV 25 Mar 2022. Known ransomware useCISA KEV
Exploit odds (EPSS)97.6%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Federal deadline15 Apr 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version.

Timeline

  1. 2 Nov 2021Exploit code publicMetasploit
  2. 5 Nov 2021, 09:51 UTCPublishedCVE List
  3. 25 Mar 2022Added to CISA KEVCISA KEV

Public exploit code and templates 2

  • Exploit moduleSitecore Experience Platform (XP) PreAuth Deserialization RCE 2 Nov 2021Metasploit
  • Scanner templateSitecore Experience Platform Pre-Auth RCENuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

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

Text from CVE List

Affected versions 1

  • n/aaffected: n/aCVE List

References 4