CVE-2017-9793: Apache Software Foundation Apache Struts…

CVE-2017-9793: The REST Plugin in Apache Struts 2.1.x, 2.3.7 through 2.3.33 and 2.5 through 2.5.12 is using an outdated XS...

The REST Plugin in Apache Struts 2.1.x, 2.3.7 through 2.3.33 and 2.5 through 2.5.12 is using an outdated XStream library which is vulnerable and allow perform a DoS attack using malicious request with specially crafted XML payload.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 16, 2024, 20:12 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2017-9793 affects Apache Struts applications that use the REST Plugin with an outdated XStream library. A malicious XML request can cause denial of service. The public bundle does not provide CVSS scoring or proof of active exploitation, so urgency depends on whether exposed Struts REST endpoints accept XML. Internet-facing Java applications using Apache Struts REST Plugin and accepting XML requests are the main concern. Products from vendors such as Cisco, Oracle, Brocade, and NetApp referenced Struts advisories, so embedded or appliance exposure should also be checked. Prioritize validation for externally reachable Struts REST services, especially legacy Java applications and vendor appliances. Treat confirmed exposure as time-sensitive availability risk, but do not assume active exploitation from the supplied evidence. Mitigation focus: Inventory Apache Struts applications and confirm REST Plugin usage.; Check whether affected versions are 2.1.x, 2.3.7-2.3.33, or 2.5-2.5.12.; Review Apache S2-051 and vendor advisories for supported fixed versions..

Prepared: Jun 12, 2026, 20:56 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Sep 20, 2017, 17:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
20170907 Multiple Vulnerabilities in Apache Struts 2 Affecting Cisco Products: September 2017CVE reference · vendor-advisory, x_refsource_CISCO
https://security.netapp.com/advisory/ntap-20180629-0001/CVE reference · x_refsource_CONFIRM
https://struts.apache.org/docs/s2-051.htmlCVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

Apache Software FoundationApache Struts2.3.7 - 2.3.33, 2.5 - 2.5.12, 2.1.x seriesListed

Weakness

CWE details

No CWE listed

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