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Database ServerDatabase / datastore · Oracle

CVE-2009-1997

MEDIUM · 5.0 CVSS v2.0 Published 2009-10-22
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
59/100
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
Unspecified vulnerability in the Authentication component in Oracle Database 10.2.0.3 and 11.1.0.7 allows remote attackers to affect confidentiality via unknown vectors.

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 · moderate confidence

Vulnerability in the Authentication component of Oracle Database 10.2.0.3 and 11.1.0.7 allows remote attackers to affect confidentiality via unspecified vectors. The CVSS 5 score indicates a moderate severity issue with network-exploitable authentication weakness.

MitigationApply the corresponding Oracle Critical Patch Update to address the authentication vulnerability; ensure database authentication mechanisms are audited and network access is restricted to trusted sources.

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
Database ServerDatabase / datastore
Affected:= 10.2.0.3= 11.1.0.7

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
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

AV:N/AC:L/Au:N/C:P/I:N/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 Database installation and version
    Run the query SELECT VERSION FROM V$INSTANCE; connected as SYSDBA or query the registry view SELECT COMP_NAME, VERSION FROM PRODUCT_COMPONENT_VERSION;
    Affected if The returned version matches exactly 10.2.0.3 or 11.1.0.7
  2. Confirm database edition and components
    Execute SELECT BANNER FROM V$VERSION; to identify the exact Oracle Database edition and components installed
    Affected if The output shows Oracle Database 10.2.0.3 or 11.1.0.7 editions
  3. Verify authentication listener configuration
    Check the listener.ora file in $ORACLE_HOME/network/admin/ and run lsnrctl status to inspect the listener configuration
    Affected if The listener is configured to accept remote connections and authentication-related parameters are set to default values
  4. Audit authentication settings
    Query SELECT * FROM V$PARAMETER WHERE NAME LIKE '%authen%'; to check authentication-related parameters
    Affected if Authentication parameters are set to values that enable the unspecified vulnerable vectors described in the CVE

You are affected if your Oracle Database Server version is exactly 10.2.0.3 or 11.1.0.7 and the authentication component is exposed to network access.

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
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply the corresponding Oracle Critical Patch Update to address the authentication vulnerability; ensure database authentication mechanisms are audited and network access is restricted to trusted sources.

Fix this in Database Server Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing6.0 h
  • Review / QA4.0 h
22.0 hours of engineering $3,860
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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-2009-1997 in production — separate from our analysis above.

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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
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  • Version or environment caveats, and links to real fixes
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