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CVE-2017-9804

In Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12, if an application allows entering a URL in a form field and built-in…

High7.5EPSS 8.2%
Published
Updated
Reserved
Assigned by
apache

Description

In Apache Struts 2.3.7 through 2.3.33 and 2.5 through 2.5.12, if an application allows entering a URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL. NOTE: this vulnerability exists because of an incomplete fix for S2-047 / CVE-2017-7672.

Scores

CVSS scores of CVE-2017-9804, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0High7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
8.2% · top 5.1% of all CVEs (2 Nov 2026)

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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 Struts

    • affected 2.3.7 - 2.3.33
    • affected 2.5 - 2.5.12

Affected packages

From reviewed advisories of the GitHub Advisory Database.

References (7)

Sources

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

Record last updated .