THREATPORT/VULNERABILITY/CVE-2019-3888
CRITICAL SEVERITY

CVE-2019-3888

Undertow vulnerability

CVSS
9.8
EPSS
3.4%
EPSS pct
88th
Exploited
No known
A vulnerability was found in Undertow web server before 2.0.21. An information exposure of plain text credentials through log files because Connectors.executeRootHandler:402 logs the HttpServerExchange object at ERROR level using UndertowLogger.REQUEST_LOGGER.undertowRequestFailed(t, exchange)
Affected vendor
Redhat
Affected product
Undertow
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-532 — Insertion of Sensitive Information into Log File
Published
2019-06-12

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 confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2019-3888

  • Confirm whether Redhat Undertow is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-3888.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-3888

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-3888 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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