What is the CVSS score of CVE-2020-25689?

CVE-2020-25689 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.5%.

Is there a public PoC exploit available for CVE-2020-25689?

Yes, a public proof-of-concept exploit is available for CVE-2020-25689. Prioritise patching immediately. EPSS: 1.5%.

Is there a patch available for CVE-2020-25689?

Yes, a patch is available for CVE-2020-25689. Update the affected software to the latest version immediately.

Wildfly CVE-2020-25689

MEDIUM

Memory Leak (CWE-401)

2020-11-02 secalert@redhat.com

Denial Of Service Red Hat Active Iq Unified Manager Fuse Jboss Enterprise Application Platform Oncommand Insight Single Sign On Wildfly Jboss Fuse Service Level Manager Jboss Data Grid Openshift Application Runtimes Netapp

6.5

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-401 ASVS 5.0 V15 - Secure Coding and Architecture Resource cleanup, leak prevention
Impact	CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available.
Exploit ScenarioDerived	A remote attacker could exhaust available memory leading to denial of service by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 1.5% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

A memory leak flaw was found in WildFly in all versions up to 21.0.0.Final, where host-controller tries to reconnect in a loop, generating new connections which are not properly closed while not able. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Ensure all allocated memory is properly freed. Use RAII patterns or garbage-collected languages.

Affected Packages

maven org.wildfly:wildfly-dist fix: 21.0.1

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 Memory Leak (CWE-401), which allows attackers to exhaust available memory leading to denial of service. A memory leak flaw was found in WildFly in all versions up to 21.0.0.Final, where host-controller tries to reconnect in a loop, generating new connections which are not properly closed while not able to connect to domain-controller. This flaw allows an attacker to cause an Out of memory (OOM) issue, leading to a denial of service. The highest threat from this vulnerability is to system availability. Affected products include: Redhat Wildfly, Redhat Fuse, Redhat Jboss Data Grid, Redhat Jboss Enterprise Application Platform, Redhat Jboss Fuse. Version information: up to 21.0.0..

Know when Wildfly gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 6.5 MEDIUM

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

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

None

Integrity

None

Availability

High

DescriptionNVD

A memory leak flaw was found in WildFly in all versions up to 21.0.0.Final, where host-controller tries to reconnect in a loop, generating new connections which are not properly closed while not able to connect to domain-controller. This flaw allows an attacker to cause an Out of memory (OOM) issue, leading to a denial of service. The highest threat from this vulnerability is to system availability.

Threat Intelligence Overview

EPSS Score

1.5%

Top 29% exploitable

Exploit

POC

Public exploit code exists

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

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 Yes

EPSS 1.5%

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

Poc

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +32

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)NVD

cpe:2.3:a:redhat:wildfly:*:*:*:*:*:*:*:*

cpe:2.3:a:redhat:fuse:6.0.0:*:*:*:*:*:*:*

cpe:2.3:a:redhat:jboss_data_grid:7.0.0:*:*:*:*:*:*:*

cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.0.0:*:*:*:*:*:*:*

cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:*

cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:*:*:*:*

cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*

cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:linux:*:*

cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*

cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:*

cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*

cpe:2.3:a:netapp:service_level_manager:-:*:*:*:*:*:*:*

More in Wildfly

View all

CVE-2018-10683 CRITICAL Act Now POC

9.8 May 09

An issue was discovered in WildFly 10.1.2.Final. Rated critical severity (CVSS 9.8), this vulnerability is remotely expl

CVE-2018-10682 CRITICAL Act Now POC

9.8 May 09

An issue was discovered in WildFly 10.1.2.Final. Rated critical severity (CVSS 9.8), this vulnerability is remotely expl

CVE-2019-3894 HIGH This Week

8.8 May 03

It was discovered that the ElytronManagedThread in Wildfly's Elytron subsystem in versions from 11 to 16 stores a Securi

CVE-2022-1278 HIGH This Week

7.5 Sep 13

A flaw was found in WildFly, where an attacker can see deployment names, endpoints, and any other data the trace payload

CVE-2020-10718 HIGH This Week

7.5 Sep 16

A flaw was found in Wildfly before wildfly-embedded-13.0.0.Final, where the embedded managed process API has an exposed

CVE-2020-10740 HIGH This Week

7.5 Jun 22

A vulnerability was found in Wildfly in versions before 20.0.0.Final, where a remote deserialization attack is possible

CVE-2026-84823 HIGH This Week

7.1 Oct 16

Path traversal in WildFly's management take-snapshot operation lets an authenticated user holding only the Monitor RBAC

CVE-2025-23367 MEDIUM This Month

6.5 Jan 30

A flaw was found in the Wildfly Server Role Based Access Control (RBAC) provider. Rated medium severity (CVSS 6.5), this

CVE-2020-27822 MEDIUM This Month

5.9 Dec 08

A flaw was found in Wildfly affecting versions 19.0.0.Final, 19.1.0.Final, 20.0.0.Final, 20.0.1.Final, and 21.0.0.Final.

CVE-2018-14627 MEDIUM This Month

5.9 Sep 04

The IIOP OpenJDK Subsystem in WildFly before version 14.0.0 does not honour configuration when SSL transport is required

CVE-2022-0866 MEDIUM This Month

5.3 May 10

This is a concurrency issue that can result in the wrong caller principal being returned from the session context of an

CVE-2020-25640 MEDIUM This Month

5.3 Nov 24

A flaw was discovered in WildFly before 21.0.0.Final where, Resource adapter logs plain text JMS password at warning lev

Same weakness CWE-401 – Memory Leak

View all

CVE-2020-13934 HIGH

7.5

CVE-2016-4232 HIGH POC

7.5

CVE-2024-25450 HIGH POC

8.8

CVE-2023-33718 HIGH POC

8.8

CVE-2019-6128 HIGH POC

8.8

CVE-2026-67183 HIGH POC

8.7

CVE-2023-34451 HIGH POC

8.2

CVE-2020-6079 HIGH POC

7.5

Same technique Denial Of Service

View all

CVE-2015-5119 CRITICAL POC

9.8

CVE-2011-2462 CRITICAL POC

9.8

CVE-2011-0611 HIGH POC

8.8

CVE-2012-1889 HIGH POC

8.8

CVE-2012-0507 CRITICAL POC

9.8

CVE-2014-1761 HIGH POC

7.8

CVE-2015-5122 CRITICAL POC

9.8

CVE-2011-0609 HIGH POC

7.8

References

Advisories & patches

REF https://security.netapp.com/advisory/ntap-20201123-0006/

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back