by Kastro
Paper/Archive/CVE-2021-42237

CVE-2021-42237

Sitecore XP — Sitecore XP Remote Command Execution Vulnerability

KEV · due 15 Aprransomware useEPSS 98%public exploitSSVC actCVSS 9.8
critical.is priorityof 100
99
CVSS 9.8 (ADP)9.8 / 10 × 3029.4In CISA KEV+3030.0EPSS percentile 99.9.999 × 2020.0Exploit: SSVC active+1010.0SSVC exploitation: active+1010.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: active · Automatable: yes · Technical impact: total

References

refsupport.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1000776refblog.assetnote.io/2021/11/02/sitecore-rcerefpacketstormsecurity.com/files/164988/Sitecore-Experience-Platform-XP-Remote-Code-Execution.htmlrefcisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42237kevcisa.gov/known-exploited-vulnerabilities-catalog