How severe is CVE-2012-0518?

CVE-2012-0518 has a CVSS score of 4.7/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which products are affected by CVE-2012-0518?

CVE-2012-0518 affects the following products: oracle fusion middleware.

How do I patch CVE-2012-0518?

No patch has shipped for CVE-2012-0518 yet — track the oracle fusion middleware advisory for a fixed release and apply the workarounds below in the meantime.

How do I detect CVE-2012-0518 across my infrastructure?

Inventory every oracle fusion middleware deployment and check each version against the affected-products list above.

How do I mitigate CVE-2012-0518 if there is no patch (or I can't update yet)?

Stop reflecting attacker-controlled destinations: resolve every redirect target against an allowlist of paths or hosts you own, prefer a server-side key over a full URL in the request, and reject absolute URLs entirely where the flow only ever needs a relative one. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

Is CVE-2012-0518 actively exploited in the wild?

Yes. There are 1 known exploit references for CVE-2012-0518, including 1 in-the-wild exploitation observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2012-0518?

CVE-2012-0518 has an EPSS (Exploit Prediction Scoring System) score of 4.7%, placing it in the 92th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

Is CVE-2012-0518 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2012-0518 (Oracle Fusion Middleware Unspecified Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2022-03-28. CISA required all US federal civilian agencies to remediate this vulnerability by 2022-04-18. The required action was: Apply updates per vendor instructions. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2012-0518?

CVE-2012-0518 is classified as Open Redirect (CWE-601). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2012-0518?

CVE-2012-0518 affects oracle fusion middleware (1 version, e.g. 10.1.4.3). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2012-0518 published, and has it been updated?

CVE-2012-0518 was published on October 16, 2012 and was last updated on June 16, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🛡️

CISA KEV · ACTIVELY EXPLOITED

MEDIUM severity

CVE-2012-0518 — Fusion Middleware

MEDIUM

CVE-2012-0518 is a medium-severity (CVSS 4.7) Open Redirect vulnerability in oracle fusion middleware. It is in CISA's Known Exploited Vulnerabilities catalog (added 2022-03-28) — treat it as actively exploited and patch now. No vendor fix is recorded yet; mitigation options are listed below.

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…

Published

Oct 16, 2012

Updated

Jun 16, 2026

Affected

1 product

Patched

See advisory

Exploits

1 known

Exploitation data as of Oct 24, 2026 · OSV.dev, NVD, CISA KEV, FIRST.org (EPSS)

Exploitation Status

Actively exploited in the wild

Confirmed by CISA's Known Exploited Vulnerabilities catalog on 2022-03-28. Federal agencies were required to remediate by 2022-04-18.

Exploitation and automatability from CISA (KEV catalog and SSVC triage) for CVE-2012-0518.

EPSS Exploitation Probability

via FIRST.org ↗

4.7%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs92th percentile — riskier than 92% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2012-0518 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 395,249 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Description

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.

Affected Products

1 product · 1 configurations

Application

fusion middlewareoracle

1 version

10.1.4.3

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Unspecified vulnerability in the Oracle Application Server Single Sign-O…

cisa.govCISAMar 2022

Detection & mitigation playbook

Vendor / appliance

Detect
Inventory every oracle fusion middleware deployment and check each version against the affected-products list above.
Remediation status
No patch has shipped for CVE-2012-0518 yet — track the oracle fusion middleware advisory for a fixed release and apply the workarounds below in the meantime.
Mitigate without a patch
Stop reflecting attacker-controlled destinations: resolve every redirect target against an allowlist of paths or hosts you own, prefer a server-side key over a full URL in the request, and reject absolute URLs entirely where the flow only ever needs a relative one. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

Frequently Asked Questions

O3 Security · Runtime Protection

Is CVE-2012-0518 being exploited in your environment?

Detect and block the exploit chain at execution, on systems you cannot patch yet.

Protect my workloads How runtime protection works

CVSS Score

4.7/10CVSS v3 base

Vector breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

None

Integrity

Low

Availability

None

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

CWE Classification

CWE-601Open Redirect

Weaponization

No known public exploit tooling found.

Timeline

Disclosed

Oct 16, 2012

KEV added

Mar 28, 2022

First exploit

Mar 28, 2022

Last updated

Jun 16, 2026

Identifiers

CVE-2012-0518

References

Fixoracle.com Fixoracle.com Webmandriva.com Webmandriva.com Webcisa.gov

Related vulnerabilities

This CVE is medium severity; 6 of 8 other CVEs with CWE-601 are rated as high or higher (top: critical).

CVE-2026-114060CVE-2026-111754CVE-2026-59180CVE-2026-108261CVE-2026-107718CVE-2026-105846CVE-2026-101907CVE-2026-77609Browse all CWE-601

Provenance

Sources

OSV.devNVDCISA KEVFIRST.org (EPSS)

Last verifiedJun 16, 2026

CVE-2012-0518 — Fusion Middleware

Exploitation Status

Actively exploited in the wild

EPSS Exploitation Probability

How urgent is this, really

Where this sits among everything scored

Description

Affected Products

Detection & mitigation playbook

Detect

Remediation status

Mitigate without a patch

Frequently Asked Questions

Is CVE-2012-0518 being exploited in your environment?