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Fencer Vulns
critical 9.8

CVE-2016-3737 json

The server in Red Hat JBoss Operations Network (JON) before 3.3.6 allows remote attackers to execute arbitrary code via a crafted HTTP requ…

published 2016-08-02 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-4750

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.8%
EPSS 6.8% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

The server in Red Hat JBoss Operations Network (JON) before 3.3.6 allows remote attackers to execute arbitrary code via a crafted HTTP request, related to message deserialization.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-3737 updated cvss 9.0

JON: The agent/server communication deserializes data, and does not require authentication

  • Red Hat JBoss Operations Network 3 Core Server Core Server
    affected: workaround, no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

6.79% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:N/C:P/I:P/A:C

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.