XXE in 3cx

CVE-2019-13176

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).

Vulnerability class: XXE (XML External Entity)

EPSS: 0.025 (82.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

  • 3cx — versions 12.5, 12.5.44178.1002
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-13176?
CVE-2019-13176 is a high-severity vulnerability in 3cx, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2019-08-08.
How severe is CVE-2019-13176?
High severity. CVSS v3 base score is 7.5 out of 10.