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CVE-2017-3206
The Action Message Format (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
Critical9.8EPSS 3.6%
- Published
- Updated
- Reserved
- Assigned by
- certcc
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.6% · top 10% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
Exadel · Flamingo amf-serializer
- affected 2.2.0
References (4)
- https://codewhitesec.blogspot.com/2017/04/amf.html (opens in a new tab)x_refsource_MISCx_transferred
- VU#307983 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- http://www.securityweek.com/flaws-java-amf-libraries-allow-remote-code-execution (opens in a new tab)x_refsource_MISCx_transferred
- 97380 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2017-3206)Record last updated .