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Platform Security For JavaApplication · Oracle

CVE-2021-2302

CRITICAL · 9.8 CVSS v3.1 Published 2021-04-22
Patch available
A vendor patch is available. No clean upgrade release — apply the published patch.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click Patch available

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Vulnerability in the Oracle Platform Security for Java product of Oracle Fusion Middleware (component: OPSS). Supported versions that are affected are 11.1.1.9.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Platform Security for Java. Successful attacks of this vulnerability can result in takeover of Oracle Platform Security for Java. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis

A detailed technical summary for this CVE is being prepared.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Platform Security For JavaApplication
Affected:= 11.1.1.9.0= 12.2.1.3.0= 12.2.1.4.0

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Patch available Apply the vendor patch
Vendor patch www.oracle.com →
Recommended fix Moderate confidence

Apply Oracle CPU April 2021 patch for OPSS (or upgrade to a later supported Oracle Fusion Middleware release that includes the fix)

  1. Review the Oracle CPU April 2021 security alert at https://www.oracle.com/security-alerts/cpuapr2021.html to locate the specific patch for CVE-2021-2302
  2. Identify the appropriate patch identifier ( Patch Number) for Oracle Platform Security for Java based on your current installed version (11.1.1.9.0, 12.2.1.3.0, or 12.2.1.4.0)
  3. Download the required patch from Oracle Support using the identified patch number
  4. Apply the patch following Oracle's standard patch application process for Fusion Middleware components
  5. After patching, verify the OPSS version reflects the security update
  6. Restart affected Oracle Platform Security for Java services as required by the patch
Caveat Patches are generally non-breaking but should be tested in a non-production environment first; review patch readme for any specific post-installation requirements or configuration changes

Generated from the published advisory — verify against the referenced sources before acting.

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2021-2302 in production — separate from our analysis above.

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What this is

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What belongs here
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  • Version or environment caveats, and links to real fixes
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