CVE-2021-4240
2.6 · LOWOverview
CVE-2021-4240 is a low-severity vulnerability affecting phpservermonitor php_server_monitor. It was published on November 15, 2022 and has a CVSS 3.1 base score of 2.6 (LOW).
This vulnerability has a CVSS 3.1 base score of 2.6, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
A vulnerability, which was classified as problematic, was found in phpservermon. This affects the function generatePasswordResetToken of the file src/psm/Service/User.php. The manipulation leads to use of predictable algorithm in random number generator. The exploit has been disclosed to the public and may be used. The name of the patch is 3daa804d5f56c55b3ae13bfac368bb84ec632193. It is recommended to apply a patch to fix this issue. The identifier VDB-213717 was assigned to this vulnerability.
Remediation
Check the references section for vendor advisories and patches from phpservermonitor. Update php_server_monitor to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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References
Frequently Asked Questions
What is CVE-2021-4240?
CVE-2021-4240 is a low-severity vulnerability affecting phpservermonitor php_server_monitor. It was published on November 15, 2022 and has a CVSS 3.1 base score of 2.6 (LOW).
How severe is CVE-2021-4240?
This vulnerability has a CVSS 3.1 base score of 2.6, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-4240?
Check the references section for vendor advisories and patches from phpservermonitor. Update php_server_monitor to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-4240?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-4240 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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