What is the CVSS score of CVE-2019-13176?

CVE-2019-13176 has a CVSS 3.0 base score of 7.5 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 2.5%.

Is there a public PoC exploit available for CVE-2019-13176?

Yes, a public proof-of-concept exploit is available for CVE-2019-13176. Prioritise patching immediately. EPSS: 2.5%.

3Cx CVE-2019-13176

HIGH

Improper Restriction of XML External Entity Reference (CWE-611)

2019-08-08 cve@mitre.org

SSRF XXE 3Cx

7.5

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Aug 08, 2019 - 14:15 nvd

HIGH 7.5

DescriptionNVD

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).

AnalysisAI

An issue was discovered in the 3CX Phone system (web) management console 12.5.44178.1002 through 12.5 SP2. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. 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). Affected products include: 3Cx. Version information: through 12.5.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Disable external entity processing in XML parsers, use JSON instead of XML where possible.