CVE-2017-9787

HIGHNVD 7.57.5—

7.5

When using a Spring AOP functionality to secure Struts actions it is possible to perform a DoS attack. Solution is to upgrade to Apache Struts version 2.5.12 or 2.3.33.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 92.3%
KEV: Not listed

Published

July 13, 2017

Last Modified

May 13, 2026

References (14)

security@apachehttp://struts.apache.org/docs/s2-049.html
security@apachehttp://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html
security@apachehttp://www.securityfocus.com/bid/99562
security@apachehttp://www.securitytracker.com/id/1039115
security@apachehttps://lists.apache.org/thread.html/3795c4dd46d9ec75f4a6eb9eca11c11edd3e796c6c1fd7b17b5dc50d%40%3Cannouncements.struts.apache.org%3E
security@apachehttps://lists.apache.org/thread.html/de3d325f0433cd3b42258b6a302c0d7a72b69eedc1480ed561d3b065%40%3Cannouncements.struts.apache.org%3E
security@apachehttps://security.netapp.com/advisory/ntap-20180706-0002/
af854a3a-2127-422b-91ae-364da2661108http://struts.apache.org/docs/s2-049.html
af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/99562
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1039115
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/3795c4dd46d9ec75f4a6eb9eca11c11edd3e796c6c1fd7b17b5dc50d%40%3Cannouncements.struts.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/de3d325f0433cd3b42258b6a302c0d7a72b69eedc1480ed561d3b065%40%3Cannouncements.struts.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20180706-0002/

Affected Packages

(1 across 1 ecosystem)

Maven(1)

Package	Vulnerable range	Fixed in	Dependents
org.apache.struts:struts2-core	2.5 ... 2.5.8 (7 versions)	2.5.12	—

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-23 00:10 UTCEG score recompute
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 11:48 UTCEG score recompute
2026-05-21 22:40 UTCepss_batch
2026-05-21 22:40 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch

Frequently asked(5)

What is CVE-2017-9787?

CVE-2017-9787 is a high vulnerability published on July 13, 2017. When using a Spring AOP functionality to secure Struts actions it is possible to perform a DoS attack. Solution is to upgrade to Apache Struts version 2.5.12 or 2.3.33.

When was CVE-2017-9787 disclosed?

CVE-2017-9787 was first published in the National Vulnerability Database on July 13, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2017-9787 actively exploited?

CVE-2017-9787 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 92.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2017-9787?

CVE-2017-9787 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2017-9787?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-9787, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2017-9787

📅 Published

🔄 Last Modified

🔗 References (14)