THREATPORT/VULNERABILITY/CVE-2016-9589
HIGH SEVERITY

CVE-2016-9589

Jboss Wildfly Application Server vulnerability

CVSS
7.5
EPSS
3.0%
EPSS pct
86th
Exploited
No known
Undertow in Red Hat wildfly before version 11.0.0.Beta1 is vulnerable to a resource exhaustion resulting in a denial of service. Undertow keeps a cache of seen HTTP headers in persistent connections. It was found that this cache can easily exploited to fill memory with garbage, up to "max-headers" (default 200) * "max-header-size" (default 1MB) per active TCP connection.
Affected vendor
Redhat
Affected product
Jboss Wildfly Application Server
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type (CWE)
  • CWE-400 — Uncontrolled Resource Consumption
Published
2018-03-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 3.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2016-9589

  • Confirm whether Redhat Jboss Wildfly Application Server is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2016-9589.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-9589

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-9589 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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