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CVE-2017-3271 Oracle CVE debrief

CVE-2017-3271 is a vulnerability in Oracle Outside In Technology, a component used within Oracle Fusion Middleware. Oracle’s description says the issue is easily exploitable by an unauthenticated attacker with network access via HTTP and can lead to unauthorized access to sensitive data, unauthorized data modification, and partial denial of service. The affected versions named in the source corpus are 8.5.2 and 8.5.3.

Vendor
Oracle
Product
CVE-2017-3271
CVSS
HIGH 8.6
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

Administrators and security teams responsible for Oracle Fusion Middleware deployments that include Outside In Technology, especially where untrusted network data is passed into the SDK or filter pipeline.

Technical summary

NVD lists the vulnerability as affecting Oracle Outside In Technology 8.5.2 and 8.5.3, with CVSS v3.0 vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L (8.6 HIGH). Oracle notes that the impact depends on how the SDK is used: if application data is passed directly from a network source into Outside In Technology code, the exposure is greater; if not, the effective score may be lower. NVD does not assign a specific CWE and records NVD-CWE-noinfo.

Defensive priority

High. The issue is network-reachable, requires no privileges or user interaction, and is rated 8.6 HIGH by NVD. Prioritize inventorying affected Oracle deployments and confirming whether Outside In Technology is exposed to untrusted network input.

Recommended defensive actions

  • Identify Oracle Fusion Middleware deployments that include Outside In Technology and confirm whether versions 8.5.2 or 8.5.3 are in use.
  • Review Oracle’s January 2017 CPU advisory for patch guidance and apply the vendor-recommended fix or upgrade path.
  • Reduce exposure by limiting network paths that feed untrusted content into Outside In Technology processing.
  • If immediate patching is not possible, place compensating controls around the affected service and monitor for abnormal access or service disruption.
  • Validate whether the vulnerable SDK is used on network-supplied content, since Oracle notes the practical risk depends on application integration.

Evidence notes

The source corpus identifies Oracle Outside In Technology as the affected product and names versions 8.5.2 and 8.5.3. Oracle’s advisory reference is listed in NVD references, and NVD records the vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L with score 8.6. Oracle’s description states the attack is possible via HTTP and may result in unauthorized access to critical data, unauthorized changes, or partial denial of service. NVD’s weakness field is NVD-CWE-noinfo, so the exact flaw class is not specified in the supplied corpus. The CVE was published on 2017-01-27; later metadata modification dates do not change the disclosure date.

Official resources

Published by NVD/CVE on 2017-01-27. The source corpus was modified later, but the vulnerability disclosure date remains 2017-01-27.