XXE in Exadel Flamingo
CVE-2017-3206
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.
Vulnerability class: XXE (XML External Entity)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.037 (89.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000
Affected products
- Exadel Flamingo — versions 2.2.0
- Exadel Flamingo Amf-Serializer — versions 2.2.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- codewhitesec.blogspot.com/2017/04/amf.html (Exploit, Third Party Advisory)
- www.kb.cert.org/vuls/id/307983 (US Government Resource, Third Party Advisory, third-party-advisory)
- www.securityweek.com/flaws-java-amf-libraries-allow-remote-code-execution (Third Party Advisory)
- www.securityfocus.com/bid/97380 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-3206?
- CVE-2017-3206 is a critical-severity vulnerability in Exadel Flamingo, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2018-06-11.
- How severe is CVE-2017-3206?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-3206 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.