THREATPORT/VULNERABILITY/CVE-2018-1304
MEDIUM SEVERITY

CVE-2018-1304

Tomcat vulnerability

CVSS
5.9
EPSS
17.4%
EPSS pct
97th
Exploited
No known
The URL pattern of "" (the empty string) which exactly maps to the context root was not correctly handled in Apache Tomcat 9.0.0.M1 to 9.0.4, 8.5.0 to 8.5.27, 8.0.0.RC1 to 8.0.49 and 7.0.0 to 7.0.84 when used as part of a security constraint definition. This caused the constraint to be ignored. It was, therefore, possible for unauthorised users to gain access to web application resources that should have been protected. Only security constraints with a URL pattern of the empty string were affected.
Affected vendor
Apache
Affected product
Tomcat
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2018-02-28

Risk analysis

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

Its EPSS score of 17.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2018-1304

  • Confirm whether Apache Tomcat is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-1304.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-1304

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-1304 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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