CVE-2016-8739

Cxf vulnerability

CVSS

7.5

EPSS

7.3%

EPSS pct

94th

Exploited

No known

The JAX-RS module in Apache CXF prior to 3.0.12 and 3.1.x prior to 3.1.9 provides a number of Atom JAX-RS MessageBodyReaders. These readers use Apache Abdera Parser which expands XML entities by default which represents a major XXE risk.

Affected vendor

Apache

Affected product

Cxf

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness type (CWE)

CWE-611 — XML External Entity (XXE) Reference

Published

2017-08-10

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 7.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2016-8739

Confirm whether Apache Cxf is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2016-8739.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-8739

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