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Fencer Intel
medium 6.5

CVE-2016-6345 json

Exposure of Sensitive Information to an Unauthorized Actor in RESTEasy

published 2016-09-07 10 y ago modified 2026-06-17 4 mo ago also GHSA-vxhj-3x7p-jxp5 , EUVD-2022-5455

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

RESTEasy allows remote authenticated users to obtain sensitive information by leveraging "insufficient use of random values" in async jobs.

Patch / fix

  • maven org.jboss.resteasy:resteasy-client 3.0.20.Final, 3.1.0.CR1
  • resteasy3.0 Debian 14, Debian 13, Debian 12 3.0.26-1

debian advisories DEBIAN-CVE-2016-6345

  • resteasy Ubuntu Pro 16.04 LTS 3.0.6-3ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2016-6345

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

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-2016-6345 updated cvss 3.5

RESTEasy: Insufficient use of random values in RESTEasy async jobs could lead to loss of data confidentiality

  • Red Hat BPM Suite 6 resteasy
    affected: workaround, no fix planned “Will not fix”
  • Red Hat Enterprise Linux 7 resteasy-base, resteasy-base-tjws, resteasy-base-jaxrs, resteasy-base-client, resteasy-base-javadoc, resteasy-base-jaxrs-all, +7 more
    affected: workaround, no fix available “Fix deferred”
  • Red Hat JBoss BRMS 5 security Red Hat JBoss BRMS 6 resteasy
    affected: workaround, no fix planned “Will not fix”
  • Red Hat JBoss Data Grid 7 resteasy
    affected: workaround, no fix available
  • Red Hat JBoss Data Virtualization 6 resteasy Red Hat JBoss Enterprise Application Platform 5 jbossas jbossas Red Hat JBoss Enterprise Application Platform 6 resteasy Red Hat JBoss Enterprise Application Platform 7 rest Red Hat JBoss Fuse 6 SwitchYard SwitchYard Red Hat JBoss Fuse Service Works 6 resteasy
    +3 more products
    Red Hat JBoss Operations Network 3 rest Red Hat JBoss SOA Platform 5 security Red Hat Subscription Asset Manager katello
    affected: workaround, no fix planned “Will not fix”
  • Red Hat Enterprise Virtualization 3 vdsm-jsonrpc-java
    under investigation
  • Red Hat JBoss Data Grid 6 build Red Hat JBoss Portal 6 Requirements Requirements Red Hat Satellite 6 Security Red Hat Single Sign-On 7 core
    not affected: vulnerable code not present

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

1.77% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N
GitHub 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
maven org.jboss.resteasy:resteasy-client
<3.0.20.Final
>=3.1.0.Beta1, <3.1.0.CR1
3.0.20.Final
3.1.0.CR1

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Intel 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.