---
id: "CVE-2012-0518"
kind: "vulnerability"
aliases: ["CVE-2012-0518"]
title: "Oracle Fusion Middleware: Oracle Fusion Middleware Unspecified Vulnerability"
severity: "medium"
cvss: 4.7
epss: 0.04685
exploited: true
status: "open"
category: "runtime"
products: [{"name": "Oracle Fusion Middleware", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["exploited", "oracle-application-server", "oracle-fusion-middleware", "runtime", "sso"]
not_affected_if: ["unknown"]
published_at: "2012-10-16T23:55:03+00:00"
first_seen_at: "2026-10-23T19:11:52+00:00"
updated_at: "2026-10-23T21:57:35+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2012-0518", "first_seen_at": "2026-10-23T19:11:52+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2012-0518", "first_seen_at": "2026-10-23T19:13:45+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2012-0518", "first_seen_at": "2026-10-23T21:57:35+00:00"}]
---

# Oracle Fusion Middleware: Oracle Fusion Middleware Unspecified Vulnerability

Oracle Application Server Single Sign-On in Oracle Fusion Middleware has an unspecified flaw that lets remote attackers affect data integrity. CISA lists it as actively exploited in the wild.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Oracle Fusion Middleware affected ? fixed ?

## Fix

Apply the Oracle Fusion Middleware updates per vendor instructions; the sources do not name a specific patch or version.

## Timeline

- 2026-10-23T19:11:52+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2012-0518
- 2026-10-23T19:13:45+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2012-0518
- 2026-10-23T21:57:35+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2012-0518

## From the sources

Unspecified vulnerability in the Oracle Application Server Single Sign-On component in Oracle Fusion Middleware 10.1.4.3.0 allows remote attackers to affect integrity via unknown vectors related to Redirects, a different vulnerability than CVE-2012-3175.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_