PatchSiren cyber security CVE debrief
CVE-2017-3294 Oracle CVE debrief
CVE-2017-3294 is a high-severity denial-of-service issue in Oracle Outside In Technology, specifically the Outside In Filters subcomponent used by Oracle Fusion Middleware. According to the source record, an unauthenticated attacker with network access via HTTP can trigger a hang or a frequently repeatable crash in affected versions 8.5.2 and 8.5.3. The published CVSS v3.0 score is 7.5, driven by availability impact only.
- Vendor
- Oracle
- Product
- Outside In Technology
- CVSS
- HIGH 7.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2017-01-27
- Original CVE updated
- 2026-05-13
- Advisory published
- 2017-01-27
- Advisory updated
- 2026-05-13
Who should care
Security and operations teams running Oracle products or third-party applications that embed Oracle Outside In Technology, especially deployments that accept network-delivered content over HTTP and expose versions 8.5.2 or 8.5.3.
Technical summary
The NVD record describes a remotely reachable, unauthenticated denial-of-service condition in Oracle Outside In Technology. The affected scope is limited to availability: successful exploitation can cause a hang or a repeatable crash. The source also notes that the CVSS score assumes the embedding software passes network-received data directly into Outside In Technology; if the data path is not network-based, the practical impact may be lower.
Defensive priority
High for internet-facing or externally reachable deployments that pass HTTP-derived content into Oracle Outside In Technology; otherwise moderate, with priority based on exposure and business dependence on the affected component.
Recommended defensive actions
- Identify where Oracle Outside In Technology 8.5.2 or 8.5.3 is deployed, including embedded uses inside Oracle Fusion Middleware or third-party software.
- Apply Oracle's January 2017 CPU guidance or later vendor updates referenced in the advisory chain for this CVE.
- Reduce exposure of services that feed network data into Outside In Technology by segmenting, restricting access, or placing them behind authentication where feasible.
- Monitor affected services for repeated crashes, hangs, or abnormal restart patterns that could indicate exploitation attempts or instability.
- Confirm whether your software vendor embeds Outside In Technology and whether the source-to-component data path matches the CVSS assumptions in the record.
Evidence notes
The supplied NVD record states: supported affected versions are 8.5.2 and 8.5.3; the issue is easily exploitable by an unauthenticated attacker with network access via HTTP; and successful attacks can cause a hang or repeatable crash. The record also lists CVSS v3.0 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H and references Oracle's January 2017 CPU advisory plus third-party advisories. The CVE published date is 2017-01-27 and the NVD record was last modified on 2026-05-13.
Sources and references
Verified primary and authoritative sources
-
CVE-2017-3294 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2017-3294
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2017-3294 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2017-3294
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://www.tenable.com/security/research/tra-2017-03
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.