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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.025 (83.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
- 3cx — versions 12.5, 12.5.44178.1002
Weakness classification (CWE)
References
- www.logicallysecure.com/blog/3cx-phone-system-web-console-affected-by-xxe/ (Exploit, Third Party Advisory)
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.