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CVE-2020-25633· NVD / CVE Program· CNA redhat

A flaw was found in RESTEasy client in all versions of RESTEasy up to 4.5.6.Final.

Noroxi assessment

Priority: Monitor (action score 21/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 1.1% (FIRST EPSS); higher than 67% of all records.
  • Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: org.jboss.resteasy:resteasy-client (Maven) 4.5.7.Final, 3.14.0.Final; org.jboss.resteasy:resteasy-client-microprofile (Maven) 4.5.7.Final, 3.14.0.Final; eap7-activemq-artemis (Red Hat:jboss_enterprise_application_platform:7.3::el6) 0:2.9.0-7.redhat_00017.1.el6eap.

Low priority for now. Upgrade to org.jboss.resteasy:resteasy-client (Maven) 4.5.7.Final, 3.14.0.Final; org.jboss.resteasy:resteasy-client-microprofile (Maven) 4.5.7.Final, 3.14.0.Final; eap7-activemq-artemis (Red Hat:jboss_enterprise_application_platform:7.3::el6) 0:2.9.0-7.redhat_00017.1.el6eap or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

A flaw was found in RESTEasy client in all versions of RESTEasy up to 4.5.6.Final. It may allow client users to obtain the server's potentially sensitive information when the server got WebApplicationException from the RESTEasy client call. The highest threat from this vulnerability is to data confidentiality.

MediumCVSS 5.3 · v3.1—No exploit Fix available
Published
Sep 18, 2020
Updated
Jun 16, 2026
EPSS
1.1% · 67th percentile

Report tools

JSON

Action score

21

Monitor

Low priority for now.

CVSS
21 / 40 · 5.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.1%

CNA vs NVD score

NVD
5.3
CNA · redhat
5.3
agree

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

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When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
redhatresteasy
quarkusquarkus

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • quarkus quarkusup to 1.11.6 inclusive
  • redhat resteasybefore 3.14.0
  • redhat resteasy4.5.0 and later · up to 4.5.6 inclusive

Versions reported by the vendor

Affected version ranges reported by the assigning authority (redhat). Independent of NVD's CPE analysis and usually ahead of it.

  • Red Hat resteasy-client

    • through 4.5.6affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12resteasy3.0all versions—
Mavenorg.jboss.resteasy:resteasy-clientfrom 4.0.0 · before 4.5.7.Final4.5.7.Final
Mavenorg.jboss.resteasy:resteasy-clientbefore 3.14.0.Final3.14.0.Final
Mavenorg.jboss.resteasy:resteasy-client-microprofilefrom 4.0.0 · before 4.5.7.Final4.5.7.Final
Mavenorg.jboss.resteasy:resteasy-client-microprofilebefore 3.14.0.Final3.14.0.Final
Red Hat:jboss_enterprise_application_platform:7.3::el6eap7-activemq-artemisbefore 0:2.9.0-7.redhat_00017.1.el6eap0:2.9.0-7.redhat_00017.1.el6eap
Red Hat:jboss_enterprise_application_platform:7.3::el6eap7-activemq-artemis-clibefore 0:2.9.0-7.redhat_00017.1.el6eap0:2.9.0-7.redhat_00017.1.el6eap
Red Hat:jboss_enterprise_application_platform:7.3::el6eap7-activemq-artemis-commonsbefore 0:2.9.0-7.redhat_00017.1.el6eap0:2.9.0-7.redhat_00017.1.el6eap
Red Hat:jboss_enterprise_application_platform:7.3::el6eap7-activemq-artemis-core-clientbefore 0:2.9.0-7.redhat_00017.1.el6eap0:2.9.0-7.redhat_00017.1.el6eap
Red Hat:jboss_enterprise_application_platform:7.3::el6eap7-activemq-artemis-dtobefore 0:2.9.0-7.redhat_00017.1.el6eap0:2.9.0-7.redhat_00017.1.el6eap
Red Hat:jboss_enterprise_application_platform:7.3::el6eap7-activemq-artemis-hornetq-protocolbefore 0:2.9.0-7.redhat_00017.1.el6eap0:2.9.0-7.redhat_00017.1.el6eap
Red Hat:jboss_enterprise_application_platform:7.3::el6eap7-activemq-artemis-hqclient-protocolbefore 0:2.9.0-7.redhat_00017.1.el6eap0:2.9.0-7.redhat_00017.1.el6eap
Red Hat:jboss_enterprise_application_platform:7.3::el6eap7-activemq-artemis-jdbc-storebefore 0:2.9.0-7.redhat_00017.1.el6eap0:2.9.0-7.redhat_00017.1.el6eap
Red Hat:jboss_enterprise_application_platform:7.3::el6eap7-activemq-artemis-jms-clientbefore 0:2.9.0-7.redhat_00017.1.el6eap0:2.9.0-7.redhat_00017.1.el6eap
Red Hat:jboss_enterprise_application_platform:7.3::el6eap7-activemq-artemis-jms-serverbefore 0:2.9.0-7.redhat_00017.1.el6eap0:2.9.0-7.redhat_00017.1.el6eap
Red Hat:jboss_enterprise_application_platform:7.3::el6eap7-activemq-artemis-journalbefore 0:2.9.0-7.redhat_00017.1.el6eap0:2.9.0-7.redhat_00017.1.el6eap
Red Hat:jboss_enterprise_application_platform:7.3::el6eap7-activemq-artemis-rabefore 0:2.9.0-7.redhat_00017.1.el6eap0:2.9.0-7.redhat_00017.1.el6eap
Red Hat:jboss_enterprise_application_platform:7.3::el6eap7-activemq-artemis-selectorbefore 0:2.9.0-7.redhat_00017.1.el6eap0:2.9.0-7.redhat_00017.1.el6eap
Red Hat:jboss_enterprise_application_platform:7.3::el6eap7-activemq-artemis-serverbefore 0:2.9.0-7.redhat_00017.1.el6eap0:2.9.0-7.redhat_00017.1.el6eap
Red Hat:jboss_enterprise_application_platform:7.3::el6eap7-activemq-artemis-service-extensionsbefore 0:2.9.0-7.redhat_00017.1.el6eap0:2.9.0-7.redhat_00017.1.el6eap
Red Hat:jboss_enterprise_application_platform:7.3::el6eap7-activemq-artemis-toolsbefore 0:2.9.0-7.redhat_00017.1.el6eap0:2.9.0-7.redhat_00017.1.el6eap
Red Hat:jboss_enterprise_application_platform:7.3::el6eap7-glassfish-jsfbefore 0:2.3.9-12.SP13_redhat_00001.1.el6eap0:2.3.9-12.SP13_redhat_00001.1.el6eap
Red Hat:jboss_enterprise_application_platform:7.3::el6eap7-hal-consolebefore 0:3.2.12-1.Final_redhat_00001.1.el6eap0:3.2.12-1.Final_redhat_00001.1.el6eap
Red Hat:jboss_enterprise_application_platform:7.3::el6eap7-hibernatebefore 0:5.3.20-1.Final_redhat_00001.1.el6eap0:5.3.20-1.Final_redhat_00001.1.el6eap

+96

Same product

redhat: all records

Other highest-scoring records for the same primary product.

  • CVE-2016-9606JBoss RESTEasy before version 3.1.2 could be forced into parsing a request with YamlProvider, resulting in unmarshalling of potentially untr
    34Monitor
  • CVE-2018-1051It was found that the fix for CVE-2016-9606 in versions 3.0.22 and 3.1.2 was incomplete and Yaml unmarshalling in Resteasy is still possible
    32Monitor
  • CVE-2016-6346RESTEasy enables GZIPInterceptor, which allows remote attackers to cause a denial of service via unspecified vectors.
    32Monitor
  • CVE-2020-1695A 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.Final, where an imprope
    31Monitor
  • CVE-2016-6345RESTEasy allows remote authenticated users to obtain sensitive information by leveraging "insufficient use of random values" in async jobs.
    27Monitor
  • CVE-2014-7839DocumentProvider in RESTEasy 2.3.7 and 3.0.9 does not configure the (1) external-general-entities or (2) external-parameter-entities feature
    26Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Maven:org.jboss.resteasy:resteasy-client3.14.0.FinalPackage registry (OSV)
Maven:org.jboss.resteasy:resteasy-client4.5.7.FinalPackage registry (OSV)
Maven:org.jboss.resteasy:resteasy-client-microprofile3.14.0.FinalPackage registry (OSV)
Maven:org.jboss.resteasy:resteasy-client-microprofile4.5.7.FinalPackage registry (OSV)
red hat:eap7-activemq-artemis0:2.9.0-7.redhat_00017.1.el6eap · Red Hat:jboss_enterprise_application_platform:7.3::el6Package registry (OSV)
red hat:eap7-activemq-artemis-cli0:2.9.0-7.redhat_00017.1.el6eap · Red Hat:jboss_enterprise_application_platform:7.3::el6Package registry (OSV)
red hat:eap7-activemq-artemis-commons0:2.9.0-7.redhat_00017.1.el6eap · Red Hat:jboss_enterprise_application_platform:7.3::el6Package registry (OSV)
red hat:eap7-activemq-artemis-core-client0:2.9.0-7.redhat_00017.1.el6eap · Red Hat:jboss_enterprise_application_platform:7.3::el6Package registry (OSV)
red hat:eap7-activemq-artemis-dto0:2.9.0-7.redhat_00017.1.el6eap · Red Hat:jboss_enterprise_application_platform:7.3::el6Package registry (OSV)
red hat:eap7-activemq-artemis-hornetq-protocol0:2.9.0-7.redhat_00017.1.el6eap · Red Hat:jboss_enterprise_application_platform:7.3::el6Package registry (OSV)
red hat:eap7-activemq-artemis-hqclient-protocol0:2.9.0-7.redhat_00017.1.el6eap · Red Hat:jboss_enterprise_application_platform:7.3::el6Package registry (OSV)
red hat:eap7-activemq-artemis-jdbc-store0:2.9.0-7.redhat_00017.1.el6eap · Red Hat:jboss_enterprise_application_platform:7.3::el6Package registry (OSV)
red hat:eap7-activemq-artemis-jms-client0:2.9.0-7.redhat_00017.1.el6eap · Red Hat:jboss_enterprise_application_platform:7.3::el6Package registry (OSV)
red hat:eap7-activemq-artemis-jms-server0:2.9.0-7.redhat_00017.1.el6eap · Red Hat:jboss_enterprise_application_platform:7.3::el6Package registry (OSV)
red hat:eap7-activemq-artemis-journal0:2.9.0-7.redhat_00017.1.el6eap · Red Hat:jboss_enterprise_application_platform:7.3::el6Package registry (OSV)
red hat:eap7-activemq-artemis-ra0:2.9.0-7.redhat_00017.1.el6eap · Red Hat:jboss_enterprise_application_platform:7.3::el6Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
Low
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-209 · Generation of Error Message Containing Sensitive Information

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records