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Audit Vault And Database FirewallDatabase / datastore · Oracle

CVE-2024-20909

HIGH · 7.5 CVSS v3.1 Published 2024-02-17
Fix available
A fix is available. Upgrade to after 20.9 or later.
See remediation →
84/100
Remediation priority · High
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 Oracle Audit Vault and Database Firewall (component: Firewall). Supported versions that are affected are 20.1-20.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Audit Vault and Database Firewall. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Audit Vault and Database Firewall accessible data. CVSS 3.1 Base Score 7.5 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).

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

This is an integrity-focused vulnerability in the Firewall component of Oracle Audit Vault and Database Firewall (versions 20.1-20.9). An unauthenticated attacker with network access via Oracle Net can create, delete, or modify critical data in the Oracle Audit Vault and Database Firewall system. The attack requires no authentication or user interaction, with low attack complexity.

MitigationApply the latest Oracle Critical Patch Update for Oracle Audit Vault and Database Firewall to address this vulnerability. Until patched, restrict network access to the Oracle Net listener and implement additional monitoring for unauthorized configuration changes.

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
Audit Vault And Database FirewallDatabase / datastore
Affected:>= 20.1, <= 20.9

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
None
Integrity
High
Availability
None

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

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 Audit Vault and Database Firewall installation
    Look for Oracle Audit Vault and Database Firewall processes or installed directories. Common paths include /opt/avdf, $ORACLE_HOME/avdf, or check for 'avecfg', 'avdf' processes running. Use command: ps -ef | grep -i avdf or ls -la /opt/ 2>/dev/null | grep -i oracle
    Affected if The software is installed and running
  2. Determine installed version
    Check the version of Oracle Audit Vault and Database Firewall. Common methods: cat $ORACLE_HOME/avdf/version 2>/dev/null, or look at the Oracle inventory: $ORACLE_HOME/oraInst.loc, or use: avdfctl status 2>/dev/null | grep -i version
    Affected if Version is between 20.1 and 20.9 inclusive
  3. Verify Oracle Net listener is accessible
    Check if the Oracle Net listener (typically port 1521 or configured Oracle Net port) is listening and exposed. Use: netstat -tlnp | grep -E '1521|Oracle' or ss -tlnp | grep LISTEN. Check if the listener binds to non-local IP addresses
    Affected if Oracle Net listener is listening on an accessible network interface
  4. Confirm Firewall component is configured
    Verify the Database Firewall component is installed and active. Check for firewall-related processes: ps -ef | grep -i firewall, or check configuration files in the AVDF home directory for firewall settings
    Affected if Firewall component is installed and running

User is affected if Oracle Audit Vault and Database Firewall versions 20.1-20.9 are installed with Oracle Net listener network access and the Firewall component is enabled.

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 20.9
Interim mitigation

Apply the latest Oracle Critical Patch Update for Oracle Audit Vault and Database Firewall to address this vulnerability. Until patched, restrict network access to the Oracle Net listener and implement additional monitoring for unauthorized configuration changes.

Fix this in Audit Vault And Database Firewall Scoped from the published advisory
  • Consultation8.0 h
  • Implementation12.0 h
  • Testing16.0 h
  • Review / QA8.0 h
44.0 hours of engineering $7,600
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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-2024-20909 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