Vulnerability Monitor

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CVE-2020-25689


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.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.3, indicating it can be exploited remotely over the network but requires specific conditions to be met without requiring user interaction requiring only low-level privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 10 products from redhat, from redhat, from redhat and 7 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2020-11-02T21:15:27.647

Last Modified

2024-11-21T05:18:28.603

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

8.0

Impact Score

6.9

Weaknesses
  • Type: Secondary
    CWE-401
  • Type: Secondary
    CWE-401

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application redhat wildfly ≤ 21.0.0 Yes
Application redhat fuse 6.0.0 Yes
Application redhat jboss_data_grid 7.0.0 Yes
Application redhat jboss_enterprise_application_platform 7.0.0 Yes
Application redhat jboss_fuse 7.0.0 Yes
Application redhat openshift_application_runtimes - Yes
Application redhat single_sign-on 7.0 Yes
Application netapp active_iq_unified_manager - Yes
Application netapp active_iq_unified_manager - Yes
Application netapp active_iq_unified_manager - Yes
Application netapp oncommand_insight - Yes
Application netapp service_level_manager - Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For redhat's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.