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Fencer Intel
high 7.5

CVE-2020-14384 json

A flaw was found in JBossWeb in versions before 7.5.31.Final-redhat-3.

published 6y ago modified 4mo ago also EUVD-2020-6524

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

A flaw was found in JBossWeb in versions before 7.5.31.Final-redhat-3. The fix for CVE-2020-13935 was incomplete in JBossWeb, leaving it vulnerable to a denial of service attack when sending multiple requests with invalid payload length in a WebSocket frame. The highest threat from this vulnerability is to system availability.

Patch / fix

  • redhat jbossweb 7.5.31.final-redhat-3
  • jbossts jboss enterprise application platform 6 1:4.17.45-2.Final_redhat_2.1.ep6.el6
  • jbossweb jboss enterprise application platform 6 7.5.32-2.Final_redhat_1.2.ep6.el6
  • jboss-as-ee jboss enterprise application platform 6 7.5.24-2.Final_redhat_00001.1.ep6.el6
  • jboss-as-cli jboss enterprise application platform 6 7.5.24-2.Final_redhat_00001.1.ep6.el6
  • jboss-as-cmp jboss enterprise application platform 6 7.5.24-2.Final_redhat_00001.1.ep6.el6
  • jboss-as-jdr jboss enterprise application platform 6 7.5.24-2.Final_redhat_00001.1.ep6.el6
  • jboss-as-jmx jboss enterprise application platform 6 7.5.24-2.Final_redhat_00001.1.ep6.el6
  • jboss-as-jpa jboss enterprise application platform 6 7.5.24-2.Final_redhat_00001.1.ep6.el6

red hat advisories RHSA-2022:5459RHSA-2022:5460RHSA-2020:3730

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-14384 updated cvss 7.5

jbossweb: Incomplete fix of CVE-2020-13935 for WebSocket in JBossWeb could lead to DoS

  • Red Hat JBoss Data Grid 6 jbossweb jbossweb Red Hat JBoss Data Virtualization 6 jbossweb jbossweb
    affected: workaround, no fix planned “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.”
  • Red Hat EAP 6.4.24 release
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2022:5458
  • Red Hat JBoss Enterprise Application Platform 6.4
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:3731
  • Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 5 Server jbossweb 7.5.31-3.Final_redhat_3.1.ep6.el5 Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 6 Server jbossts 4.17.45-2.Final_redhat_2.1.ep6.el6, jbossweb 7.5.31-3.Final_redhat_3.1.ep6.el6, jbossweb 7.5.32-2.Final_redhat_1.2.ep6.el6, jboss-as-ee 7.5.24-2.Final_redhat_00001.1.ep6.el6, jboss-as-cli 7.5.24-2.Final_redhat_00001.1.ep6.el6, jboss-as-cmp 7.5.24-2.Final_redhat_00001.1.ep6.el6, +60 more Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 7 Server jbossts 4.17.45-2.Final_redhat_2.1.ep6.el7, jbossweb 7.5.31-3.Final_redhat_3.1.ep6.el7, jbossweb 7.5.32-2.Final_redhat_1.2.ep6.el7, jboss-as-ee 7.5.24-2.Final_redhat_00001.1.ep6.el7, jboss-as-cli 7.5.24-2.Final_redhat_00001.1.ep6.el7, jboss-as-cmp 7.5.24-2.Final_redhat_00001.1.ep6.el7, +60 more
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.” RHSA-2020:3730

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.36% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • n/a JBossWeb

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.