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Vulnerability record · CVE-2017-3206 · published 11 June 2018

CVE-2017-3206: Exadel flamingo xml external entity (xxe) vulnerability

Exadel · Flamingo

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.

9.8 CVSS 3.0 Critical EPSS 3.7% · top 10.8% CWE-611 · XML external entity (XXE)
9.8CVSS 3.0 base score, v2 7.5
3.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 2 tagged exploit
17 Jun 2026Last modified by 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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/97380 Third Party AdvisoryVDB Entry
http://www.securityweek.com/flaws-java-amf-libraries-allow-remote-code-execution Third Party Advisory
https://codewhitesec.blogspot.com/2017/04/amf.html ExploitThird Party Advisory
https://www.kb.cert.org/vuls/id/307983 Third Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/97380 Third Party AdvisoryVDB Entry
http://www.securityweek.com/flaws-java-amf-libraries-allow-remote-code-execution Third Party Advisory
https://codewhitesec.blogspot.com/2017/04/amf.html ExploitThird Party Advisory
https://www.kb.cert.org/vuls/id/307983 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2017-3202Exadel flamingo improper control of dynamically-managed code vulnerabilityThe Java implementation of AMF3 deserializers used in Flamingo amf-serializer by Exadel, version 2.2.0, may allow instantiation of arbitrary classes …EPSS 8.2%9.8CVE-2025-58360GeoServer WMS GetMap XXE allows unauthenticated file read and SSRFGeoServer versions 2.26.0 through 2.26.2 and before 2.25.6 accept XML input at the /geoserver/wms GetMap endpoint without sufficiently restricting ex…KEVEPSS 61%analysed9.8CVE-2025-2776SysAid On-Prem unauthenticated XXE in Server URL processingSysAid On-Prem versions up to 23.3.40 process the Server URL without restricting XML external entities, so an unauthenticated attacker can supply cra…KEVEPSS 64%analysed7.5CVE-2025-2775SysAid On-Prem unauthenticated XXE in Checkin processingSysAid On-Prem versions up to 23.3.40 process Checkin XML without restricting external entities, so an unauthenticated attacker can supply a crafted …KEVEPSS 43%analysed7.5CVE-2023-45727Proself XXE flaw allows unauthenticated file readProself Enterprise/Standard, Gateway, and Mail Sanitize editions fail to restrict XML external entities when parsing malformed XML requests. A remote…KEVEPSS 3.5%analysed9.8CVE-2024-34102Adobe Commerce and Magento XXE flaw allows unauthenticated code executionAdobe Commerce and Magento Open Source are affected by an improper restriction of XML external entity reference (XXE) vulnerability. A crafted XML do…KEVEPSS 100%analysed9.8CVE-2019-9670Zimbra mailboxd Autodiscover XXE allows unauthenticated compromiseThe mailboxd component in Synacor Zimbra Collaboration Suite 8.7.x before 8.7.11p10 parses XML in the Autodiscover servlet without restricting extern…KEVEPSS 100%analysed7.5CVE-2019-13608Citrix StoreFront Server XXE allows unauthenticated file disclosureCitrix StoreFront Server before 1903, 7.15 LTSR before CU4 (3.12.4000), and 7.6 LTSR before CU8 (3.0.8000) is vulnerable to XML External Entity (XXE)…KEVEPSS 30%analysed

Source: NIST National Vulnerability Database (record CVE-2017-3206), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.