CVE-2021-422379.8CriticalCWE-502

CVE-2021-42237: Sitecore Experience Platform Pre-Auth RCE

Sitecore · XP

Affected: Sitecore XP · Exploitation: in CISA KEV since 25 Mar 2022

Known ransomware use

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

ExploitationIn CISA KEV

In CISA KEVCISA KEV catalogue25 Mar 2022
Exploited (reported): not seen
Scanning observed: not seen
Proof of concept public: not seen
Not established: not seen

97.4%probability of exploitation in the next 30 days

99th percentile

050100

Higher than 99% of scored CVEs

9.8CriticalCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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.

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalogue.
CISA KEV: Listed since 25 Mar 2022 · known ransomware use · catalogue entry
Public check: Sitecore Experience Platform Pre-Auth RCE · nuclei template in projectdiscovery/nuclei-templates
Weakness: Deserialization of Untrusted Data · Deserialization and Object Injection
Vendor: Sitecore
Published: November 2021
Band: Exploited in the wild, November 2021

What changed

5 Nov
CISA’s KEV entry now notes known ransomware use CISA
25 Mar 2022
CISA added it to the KEV catalogue CISA

CoverageNo articles yet

No CyberSIXT article names CVE-2021-42237 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.