Security readout for executives and security teams
Plain-English summary
This vulnerability can let a low-privileged attacker make affected Red Hat JBoss EAP 7 services slow down or become unavailable by triggering accumulation of specific EJB transaction objects over time. The business impact is service disruption, not data theft or tampering.
Executive priority
Treat as a moderate availability risk. It warrants planned remediation, faster for externally reachable or mission-critical JBoss EAP 7 services, but the provided sources do not support emergency handling based on active exploitation.
Technical view
CVE-2020-14297 is a CWE-400 resource consumption flaw in WildFly jboss-ejb-client as shipped with Red Hat JBoss EAP 7. CVSS 3.1 is 6.5, AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H, indicating network reachability, low complexity, required privileges, and high availability impact.
Likely exposure
Exposure is limited to environments running Red Hat JBoss EAP 7 with the affected WildFly EJB Client component. Risk is higher where authenticated users or integrated systems can reach EJB client functionality over the network.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates an attacker needs low privileges and no user interaction. Available evidence supports denial-of-service risk only.
Researcher notes
The public record is sparse. It identifies the affected component, EAP 7 packaging context, CWE-400 class, and CVSS vector, but does not provide detailed fixed versions, exploit details, or validated workaround guidance in the supplied bundle.
Mitigation direction
- Check Red Hat guidance for affected EAP 7 builds and fixed packages.
- Prioritize updates for internet-facing or business-critical EAP 7 services.
- Limit EJB access to trusted authenticated users and systems.
- Monitor affected services for resource growth and availability degradation.
- Prepare operational response for service slowdown or unavailability.
Validation and detection
- Inventory Red Hat JBoss EAP 7 deployments and bundled jboss-ejb-client versions.
- Confirm whether EJB client paths are reachable over the network.
- Review Red Hat Bugzilla or advisory status for remediation details.
- Check monitoring for unexplained transaction object growth or service slowdown.
- Validate availability controls in a controlled, non-production environment.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-400: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2020-14297 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14297CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.