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CVE-2021-21345 Scanner

Detects 'Remote Code Execution (RCE)' vulnerability in Xstream affects v. before 1.4.16.


Short Info



Single Scan

Single Scan

Can be used by

Asset Owner

Estimated Time

10 sec

Scan only one

Domain, Ipv4



Affected Software Overview:

Product: XStream
Vulnerable Versions: Versions before 1.4.16
Impact: Attackers with sufficient rights can exploit this vulnerability to execute host commands by manipulating the processed input stream, potentially leading to sensitive information disclosure, data modification, or unauthorized administrative operations.

Vulnerability Details:

CVE-2021-21345 is a severe vulnerability in XStream, allowing remote code execution through deserialization of untrusted input. This flaw exposes applications using XStream for XML processing to significant risks, as attackers can execute arbitrary code on the target system. The vulnerability's critical nature is underscored by its CVSS score of 9.9, highlighting the urgency of addressing this issue.

Severity: Critical
CVSS Score: 9.9
Remediation: Update to XStream version 1.4.16 or later.

The Importance of Addressing CVE-2021-21345:

Mitigating CVE-2021-21345 is vital for maintaining the security and integrity of applications that utilize XStream for XML processing. By addressing this vulnerability, organizations can protect their systems from potential remote code execution attacks, safeguarding sensitive data and preserving operational continuity.

At SecurityForEveryone, we provide targeted solutions like the CVE-2021-21345 Scanner to quickly identify and mitigate vulnerabilities threatening your digital assets. Our platform equips you with the necessary tools and guidance to address critical issues like CVE-2021-21345, enhancing your cybersecurity posture with comprehensive scanning capabilities and expert support. Choose SecurityForEveryone to ensure your applications remain secure against evolving threats in the cybersecurity landscape.

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