CVE-2017-9787

7.5 HIGH 11% exploit odds Fix listed Denial of service Web app

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of service disruption.
Exploit odds: 10.6% chance of exploitation in the next 30 days (EPSS). Higher than most.
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2017-07-13 15:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 01:28 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 10.6% in the next 30 days (EPSS).
Severity: 7.5 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2017-07-13 15:29 UTC
Last modified: 2026-06-17 01:28 UTC
Exploit probability: 10.6% · EPSS, next 30 days
Record status: Modified

Affected

Apache Struts 2.3.7
Apache Struts 2.3.8
Apache Struts 2.3.9
Apache Struts 2.3.10
Apache Struts 2.3.11
Apache Struts 2.3.12
Apache Struts 2.3.13
Apache Struts 2.3.14

Attack profile CVSS 3.0 · 7.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2017-9787.md and follow it. Check whether this project is affected by CVE-2017-9787. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record