CVE-2017-9804

mediumpriority · track · 33EPSS 0.082 · 95 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

8.24% (95th) EPSS

CVSS 5 · medium

Is it mine?

56 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-20US

affected products (56)

Products and version ranges known to be affected.

Apache Software Foundation Apache Struts≤ 2.5 - 2.5.12enisa_euvdEU
Apache Software Foundation Apache Struts≤ 2.3.7 - 2.3.33enisa_euvdEU
apache struts= 2.3.10nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.11nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.12nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.13nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.14nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.14.1nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.14.2nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.14.3nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.15nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.15.1nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.15.2nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.15.3nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.16nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.16.1nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.16.2nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.16.3nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.17nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
apache struts= 2.3.19nvdUScpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*

showing 20 of 56

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-x5x7-3v85-wpc4Apache Struts allows entering a custom URL in a form field if built-in URLValidator is used2018-10-16ghsa · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2017-09-20modified 2026-06-17

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+25188 more

references (21)

External citations — patches, advisories, analysis.

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