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Resteasy CVE-2016-6345

MEDIUM
Information Exposure (CWE-200)
2016-09-07 secalert@redhat.com
6.5
CVSS 3.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Data exposure prevention
MITRE ATT&CK

2 techniques across 2 tactics: Collection, Discovery

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. EPSS exploitation probability: 0.08%.

Exploit ScenarioDerived

A remote attacker could access sensitive data that should not be disclosed by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.1% exploitation probability (EPSS)

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AnalysisAI

RESTEasy allows remote authenticated users to obtain sensitive information by leveraging "insufficient use of random values" in async jobs. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.

Affected Packages

maven org.jboss.resteasy:resteasy-client fix: 3.0.20.Final, 3.1.0.CR1

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in maven

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. RESTEasy allows remote authenticated users to obtain sensitive information by leveraging "insufficient use of random values" in async jobs. Affected products include: Redhat Resteasy.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

DescriptionCVE.org

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

Blast Radius

ecosystem impact
† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth
  • 30 maven packages depend on org.jboss.resteasy:resteasy-client (22 direct, 8 indirect)

Ecosystem-wide dependent count for version 3.1.0.Beta1.

Threat Intelligence Overview

EPSS Score
0.1%
Top 76% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.1%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:a:redhat:resteasy:-:*:*:*:*:*:*:*
CVE-2014-3490 HIGH
7.5 Aug 19

RESTEasy 2.3.1 before 2.3.8.SP2 and 3.x before 3.0.9, as used in Red Hat JBoss Enterprise Application Platform (EAP) 6.3

CVE-2018-1051 HIGH
8.1 Jan 25

It was found that the fix for CVE-2016-9606 in versions 3.0.22 and 3.1.2 was incomplete and Yaml unmarshalling in Restea

CVE-2016-6346 HIGH
7.5 Sep 07

RESTEasy enables GZIPInterceptor, which allows remote attackers to cause a denial of service via unspecified vectors. Ra

CVE-2020-1695 HIGH
7.5 May 19

A flaw was found in all resteasy 3.x.x versions prior to 3.12.0.Final and all resteasy 4.x.x versions prior to 4.6.0.Fin

CVE-2026-89058 HIGH
7.4 Sep 18

Cross-origin data exposure in RESTEasy's CorsFilter (CVSS 7.4) occurs when a deployment is configured with allowedOrigin

CVE-2014-7839 MEDIUM
6.4 Nov 25

DocumentProvider in RESTEasy 2.3.7 and 3.0.9 does not configure the (1) external-general-entities or (2) external-parame

CVE-2016-6348 MEDIUM
6.1 Apr 12

JacksonJsonpInterceptor in RESTEasy might allow remote attackers to conduct a cross-site script inclusion (XSSI) attack.

CVE-2016-6347 MEDIUM
6.1 Apr 20

Cross-site scripting (XSS) vulnerability in the default exception handler in RESTEasy allows remote attackers to inject

CVE-2021-20293 MEDIUM
6.1 Jun 10

A reflected Cross-Site Scripting (XSS) flaw was found in RESTEasy in all versions of RESTEasy up to 4.6.0.Final, where i

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5.5 Feb 17

In RESTEasy the insecure File.createTempFile() is used in the DataSourceProvider, FileProvider and Mime4JWorkaround clas

CVE-2021-20289 MEDIUM
5.3 Mar 26

A flaw was found in RESTEasy in all versions of RESTEasy up to 4.6.0.Final. Rated medium severity (CVSS 5.3), this vulne

CVE-2020-25633 MEDIUM
5.3 Sep 18

A flaw was found in RESTEasy client in all versions of RESTEasy up to 4.5.6.Final. Rated medium severity (CVSS 5.3), thi

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