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CVE-2018-8034

The host name verification when using TLS with the WebSocket client was missing. It is now enabled by default. Versions Affected: Apache…

High7.5EPSS 21.0%
Published
Updated
Reserved
Assigned by
apache

Description

The host name verification when using TLS with the WebSocket client was missing. It is now enabled by default. Versions Affected: Apache Tomcat 9.0.0.M1 to 9.0.9, 8.5.0 to 8.5.31, 8.0.0.RC1 to 8.0.52, and 7.0.35 to 7.0.88.

Scores

CVSS scores of CVE-2018-8034, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1High7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVDNVD · Modified3.1High7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (exploitation in 30 days)
21.0% · top 2.4% of all CVEs (3 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: partial

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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

Affected products

  • Apache Software Foundation · Apache Tomcat

    • affected 9.0.0.M1 to 9.0.9
    • affected 8.5.0 to 8.5.31
    • affected 8.0.0.RC1 to 8.0.52
    • affected 7.0.35 to 7.0.88

Affected packages

From reviewed advisories of the GitHub Advisory Database.

References (41)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .