What’s Vulnerable › Vulnerabilities

CVE-2022-48482

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-05-02 · updated 2026-06-17
• Weakness: CWE-22

Description

3CX before 18 Update 2 Security Hotfix build 18.0.2.315 on Windows allows unauthenticated remote attackers to read certain files via /Electron/download directory traversal. Files may have credentials, full backups, call recordings, and chat logs.

Affected products

• 3CX: before 18.0.2.315 — fixed in 18.0.2.315

How to fix

Upgrade to a fixed version: 3CX 18.0.2.315. Check the vendor advisory for mitigations.

References

• https://medium.com/%40frycos/pwning-3cx-phone-management-backends-from-the-internet-d0096339dd88
• https://www.3cx.com/blog/change-log/phone-system-change-log/
• https://medium.com/%40frycos/pwning-3cx-phone-management-backends-from-the-internet-d0096339dd88
• https://www.3cx.com/blog/change-log/phone-system-change-log/

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