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KnowledgeWeb browser · Oracle

CVE-2020-2932

MEDIUM · 5.9 CVSS v3.1 Published 2020-04-15
Fix available
A fix is available. Upgrade to after 8.6.3 or later.
See remediation →
68/100
Remediation priority · Elevated
Remotely reachable No privileges Zero-click

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 Knowledge product of Oracle Knowledge (component: Information Manager Console). Supported versions that are affected are 8.6.0-8.6.3. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Knowledge. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Knowledge. CVSS 3.0 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/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 · high confidence

Denial of service vulnerability in Oracle Knowledge Information Manager Console. Unauthenticated remote attacker can send specially crafted HTTP requests to cause the application to hang or crash repeatedly. Affects versions 8.6.0-8.6.3.

MitigationUpgrade Oracle Knowledge to a patched version beyond 8.6.3. Implement rate limiting and Web Application Firewall rules as compensating controls until patching is completed.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

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
KnowledgeWeb browser
Affected:>= 8.6.0, <= 8.6.3

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
High
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify Oracle Knowledge installation and version
    Locate the Oracle Knowledge installation directory and check version files, or use the Oracle Enterprise Manager/Admin console to query the installed version. Common locations include the installation path under /oracle/knowledge or similar vendor directories.
    Affected if The installed version is between 8.6.0 and 8.6.3 inclusive
  2. Confirm Information Manager Console is accessible
    Verify that the Oracle Knowledge Information Manager Console web interface is exposed. Check if HTTP/HTTPS endpoints for the console are reachable. This is typically accessible at paths like /inform or /console under the Knowledge base URL.
    Affected if The Information Manager Console is reachable over the network via HTTP/HTTPS
  3. Check for signs of exploitation or instability
    Review web server logs, application logs, and load balancer metrics for signs of repeated hangs, crashes, or abnormal HTTP request patterns targeting the console endpoint. Look for 500 errors or connection timeouts.
    Affected if Logs show repeated failures, hangs, or crashes correlated with requests to the console interface
  4. Verify HTTP exposure and input validation
    Determine if the Information Manager Console is accessible without authentication and if it processes HTTP requests without rate limiting or WAF protection in front of it.
    Affected if The console is exposed to unauthenticated network access without protective filtering

If Oracle Knowledge version 8.6.0-8.6.3 is installed AND the Information Manager Console is network-accessible, the environment is vulnerable to this CVE.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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.

From vendor data
Upgrade available Upgrade to a release after 8.6.3
Interim mitigation

Upgrade Oracle Knowledge to a patched version beyond 8.6.3. Implement rate limiting and Web Application Firewall rules as compensating controls until patching is completed.

Fix this in Knowledge Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA2.0 h
18.0 hours of engineering $3,200
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,120.

Scan for this in your stack

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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-2020-2932 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data