CRITICAL

CVE-2017-3206

CVSS v3

9.8

CRITICAL

EPSS Score

3.6 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2017-3206 yet.

Full record on NVD

Description

The Java implementation of AMF3 deserializers used by Flamingo amf-serializer by Exadel, version 2.2.0, allows external entity references (XXEs) from XML documents embedded within AMF3 messages. If the XML parsing is handled incorrectly it could potentially expose sensitive data on the server, denial of service, or server side request forgery.

Technical details

Published: 2018-06-11

Frequently asked questions

What is CVE-2017-3206?

Is CVE-2017-3206 actively exploited?

Active exploitation of CVE-2017-3206 has not been confirmed. Its EPSS score was 3.6% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-3206?

CVE-2017-3206 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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