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Threats / Oracle / CVE-2012-0518
CVE-2012-0518 · EUVD no mirror located · GCVE no mirror located Verified 2026-06-22

Oracle Fusion Middleware vulnerability

An unspecified vulnerability in Oracle Fusion Middleware's Application Server Single Sign-On component allows remote attackers to compromise integrity through unknown vectors. The vulnerability is classified as an open redirect issue (CWE-6

Verdict

Today item — known-exploited.

Remote attackers can exploit this vulnerability without authentication to redirect users or manipulate security-sensitive operations. Active exploitation in the wild indicates practical attack capability. Organizations running affected Fusion Middleware versions face integrity compromise risks.

CISA KEV Yes · 2022-03-283EPSS 0.04664 (verify live)4
01

Is it exploitable?

— the evidence, ranked above the score
Reported exploitation
2 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-28).
CISA KEV ↗Confirmed
Probability (EPSS)
EPSS 0.04664 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Oracle, Fusion Middleware. Confirm exact fixed builds in the vendor advisory.
NVD ↗Reported
Weakness (CWE)
Mapped to CWE-601 Open Redirect — weakness family: Web / client.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
NVD ↗Reported
WeaknessCWE-601 · Open RedirectWeb / client
02

Who’s exploiting it?

— attribution turns risk into urgency
Attribution not established

No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.

03

Why it matters

— the attack path, told twice: adversary, then board
1

Front door — unauthenticated access narrative 1

Attacker
I craft a malicious URL containing a redirect parameter targeting the SSO component to deceive users into visiting attacker-controlled sites.
Business
User trust in authentication systems erodes as phishing attacks succeed through legitimate-appearing redirects, increasing credential theft and account compromise incidents.
2

Keys to the kingdom — privilege/identity takeover narrative 2

Attacker
I intercept or manipulate SSO session data through the redirect mechanism to escalate privileges or access unauthorized resources within the Fusion Middleware environment.
Business
Attackers gain unauthorized access to sensitive business applications and data, violating compliance requirements and exposing confidential information across enterprise systems.
04

What to do

— defensible action
  • Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05

Coverage & confidence

— what we know, and what we don’t

Established (cited)

  • KEV listing (CISA)
  • EPSS probability (FIRST)
  • 2 reported-exploitation source(s)
  • CWE weakness mapping (NVD)
  • Catalogued by oracle (CNA)
  • Coverage gaps — stated, not hidden

  • No EUVD / GCVE mirror in feed — single-authority dependency for the identifier.
  • EPSS & exposure are time-varying; verify live at the source.
  • Threat-actor attribution not established from feed data — absence of a name is not absence of compromise.
  • No finder/reporter credit recorded in the public CVE entry — the work behind this find is unattributed.
  • Disclosure & credit2
    Catalogued by oracleCNA
    Credited with finding itNo finder named in the public CVE record — the work behind this find is unattributed.