CVE-2021-40845
8.8 · HIGHOverview
CVE-2021-40845 is a high-severity vulnerability affecting zenitel alphacom_xe_audio_server. It was published on September 15, 2021 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
The web part of Zenitel AlphaCom XE Audio Server through 11.2.3.10, called AlphaWeb XE, does not restrict file upload in the Custom Scripts section at php/index.php. Neither the content nor extension of the uploaded files is checked, allowing execution of PHP code under the /cmd directory.
Remediation
Check the references section for vendor advisories and patches from zenitel. Update alphacom_xe_audio_server 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 |
|---|---|---|---|
| zenitel | alphacom_xe_audio_server | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-40845?
CVE-2021-40845 is a high-severity vulnerability affecting zenitel alphacom_xe_audio_server. It was published on September 15, 2021 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2021-40845?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-40845?
Check the references section for vendor advisories and patches from zenitel. Update alphacom_xe_audio_server 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-2021-40845?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-40845 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.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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