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Vulnerabilities

Vulnerability · CVE-2017-9787

When using a Spring AOP functionality to secure Struts actions it is possible to perform a DoS attack.

Published Jul 13, 2017 · catalog updated Jun 17, 2026 · When using a Spring

Last checked Nov 8, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2017-9787 is not in CISA KEV. FIRST estimates a 10.55% chance of exploitation in the next 30 days. Check whether you run When using a Spring.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (When using a Spring).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
10.55%
Remediation
Advisory link
Affected products
cpe apache/struts

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe apache/struts2.3.10
  • cpe apache/struts2.3.11
  • cpe apache/struts2.3.12
  • cpe apache/struts2.3.7
  • cpe apache/struts2.3.8
  • cpe apache/struts2.3.9

How to fix CVE-2017-9787

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2017-9787 is not in CISA KEV. FIRST estimates a 10.55% chance of exploitation in the next 30 days. Check whether you run When using a Spring.

Which versions are affected?

Compare what you have installed with 2.3.10, 2.3.11, 2.3.12, 2.3.7, 2.3.8, 2.3.9. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 10.55%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Apache Struts security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 13, 2017 · Monitored products — high

    Detected

    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.

  2. Jun 17, 2026 · Monitored products — high

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2017-9787

    Official CVE identifier

    cve.org
  • Monitored products — highVendor advisoryCVE-2017-9787

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 8, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 8, 2026
  • Monitored products — highNov 8, 2026