CVE-2017-9787

Spring AOP functionality (Struts) vulnerable to DoS attack

7.5 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

10.6%Up 5.7 points since Apr 14, 2021

What each source reports

NVD Score used 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.

Record: CVE-2017-9787
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2017-9787
Updated: 2026-11-02

EUVDEUVD-2018-0551 No score

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.

Record: EUVD-2018-0551
Updated: 2026-11-03

GitHub AdvisoriesGHSA-8mr5-h28g-36qx 7.5

Spring AOP functionality (Struts) vulnerable to DoS attack

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.

Record: GHSA-8mr5-h28g-36qx
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSV 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.

Record: CVE-2017-9787
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVGHSA-8mr5-h28g-36qx 7.5

Spring AOP functionality (Struts) vulnerable to DoS attack

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.

Record: GHSA-8mr5-h28g-36qx
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`org.apache.struts:struts2-core` Maven	2.5.0 up to 2.5.12	2.5.12
`org.apache.struts:struts2-core` Maven	2.3.7 up to 2.3.33	2.3.33
`org.apache.struts:struts2-core` Maven	2.3.7 up to 2.3.33, plus listed versions 2.3.122.3.142.3.14.12.3.14.22.3.14.3 Show 21 moreShow less 2.3.152.3.15.12.3.15.22.3.15.32.3.162.3.16.12.3.16.22.3.16.32.3.202.3.20.12.3.20.32.3.242.3.24.12.3.24.32.3.282.3.28.12.3.292.3.302.3.312.3.322.3.8	2.3.33
`org.apache.struts:struts2-core` Maven	2.5.0 up to 2.5.12, plus listed versions 2.52.5.12.5.102.5.10.12.5.22.5.52.5.8	2.5.12

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-9787 is a high vulnerability (CVSS 7.5) in Apache Struts, published July 13, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 10.6%, the 95th percentile. Fixed in org.apache.struts:struts2-core 2.5.12.

References

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