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critical·Product Based Web Vulnerabilities·Updated Jan 3, 2024

CVE-2021-42237 Scanner

CVE-2021-42237 scanner - Remote Code Execution (RCE) vulnerability in Sitecore XP

Est. Time~10 seconds
Scan TypeSingle Scan
Targetsdomain, ipv4, subdomain
CostFree
2.8k
Times Used
continuous scan runs
5.5k
Continuously Checked
assets under CS
0
Vulnerabilities Found
confirmed findings
References
🔴
CISA Known Exploited Vulnerability
This CVE is actively exploited in the wild. CISA mandates federal agencies to patch immediately.
CVECVE-2021-42237
9.8
CVSScritical
Exploitable remotely over the internet · no authentication required.

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.

Attack Vector
Network
Privileges Req.
None
User Interaction
None
Affected
n/aby n/a
n/a
Updated Aug 21, 2026View on NVD →
Detail

Sitecore XP is a powerful digital platform used for creating personalized and engaging customer experiences across all digital channels. It is designed to help organizations manage their content, marketing campaigns, customer data, and commerce transactions all in one place. This platform is widely used by large enterprises that need to manage extensive digital assets and customer data.

However, this platform is vulnerable to an insecure deserialization attack known as CVE-2021-42237. Attackers can exploit this vulnerability to remotely execute arbitrary commands on the machine, without any authentication or special configuration. This can leave the organization's sensitive data and customer information exposed to malicious actors.

If this vulnerability is exploited, the attacker can gain full control of the affected Sitecore XP instance and access all the data stored on it. They can also execute additional commands on the machine that could cause further damage or compromise other systems in the network. This can cause significant financial and reputational damage to the organization, as well as jeopardize the privacy and security of their customers.

Thanks to the pro features of the s4e.io platform, readers of this article can easily and quickly learn about vulnerabilities in their digital assets. Our platform provides comprehensive scans, detailed reports, and practical recommendations to help organizations stay ahead of cyber threats. With s4e.io, you can ensure that your digital assets are secure and protected.

 

REFERENCES

 

Solution Advice

To protect against this vulnerability, organizations should take the following precautions:

  • Update to the latest version of Sitecore XP which has patched this vulnerability
  • Apply security patches and updates to all software and systems
  • Implement access control policy to limit the attack surface
  • Use firewalls and intrusion detection systems to monitor and block suspicious traffic
  • Conduct regular vulnerability scanning and penetration testing to identify and fix vulnerabilities proactively.

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CVE-2021-42237 scanner - Remote Code Execution (RCE) vulnerability in Sitecore XP | S4E