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7.5

3CX Phone system web console can read internal files

CVE-2019-13176 · published 7 years ago
Summary

The web management console in 3CX Phone System versions 12.5.44178.1002 through 12.5 SP2 can be tricked into processing specially crafted data, which may let an attacker read files on the server or make the server contact other sites. This could expose sensitive information or be used to bypass security controls. Update to the latest 3CX release or apply the vendor's security patch as soon as possible.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
3cx 3cx 12.5
12.5.44178.1002
cpe:2.3:a:3cx:3cx:12.5:sp1:*:*:*:*:*:*
Original advisory text
An issue was discovered in the 3CX Phone system (web) management console 12.5.44178.1002 through 12.5 SP2. The Content.MainForm.wgx component is affected by XXE via a crafted XML document in POST d...
An issue was discovered in the 3CX Phone system (web) management console 12.5.44178.1002 through 12.5 SP2. The Content.MainForm.wgx component is affected by XXE via a crafted XML document in POST data. There is potential to use this for SSRF (reading local files, outbound HTTP, and outbound DNS).
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
7.5 High
Exploitation
2% chance of attack within 30 days
Type
CWE-611XML External Entity (XXE)
Timeline
Published8 Aug 2019
Updated29 Oct 2026
First seen29 Sep 2026
Sources
CVE-2019-13176 · NVD
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