CVE-2003-0095

CRITICAL

Buffer overflow in ORACLE.EXE for Oracle Database Server 9i, 8i, 8.1.7, and 8.0.6 allows remote attackers to execute arbitrary code via a long username that is provided during login, as exploitable...

Affects 3 products across 1 vendor.

CVSS 2.010.0
EPSS13.1%
Percentile96th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
CWE Weakness Definitions
CWE-119: Improper Restriction of Operations within Memory Buffer

Parent class for buffer-related vulnerabilities where operations exceed buffer boundaries.

Related Attack Patterns (CAPEC)
CAPEC-8 Buffer Overflow in an API Call
via CWE-119
CAPEC-9 Buffer Overflow in Local Command-Line Utilities
via CWE-119
CAPEC-10 Buffer Overflow via Environment Variables
via CWE-119
CAPEC-14 Client-side Injection-induced Buffer Overflow
via CWE-119
CAPEC-24 Filter Failure through Buffer Overflow
via CWE-119
Show all 12

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2003. A critical vulnerability affects Oracle systems (CVE-2003-0095). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2003-GLOBAL-000086-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2003-0095?
This vulnerability was disclosed in 2003. A critical vulnerability affects Oracle systems (CVE-2003-0095). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2003-0095?
CVE-2003-0095 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 13.1%.
Is CVE-2003-0095 actively exploited?
No confirmed active exploitation of CVE-2003-0095 as of 2026-09-25.
How do I remediate CVE-2003-0095?
Priority: MEDIUM. Advisory: http://otn.oracle.com/deploy/security/pdf/2003alert51.pdf PSIRT: [email protected]
What systems are affected by CVE-2003-0095?
CVE-2003-0095 affects Oracle Oracle8I, Database Server, Oracle9I.
Vulnerability Details
CVE IDCVE-2003-0095
BSIDBS-2003-GLOBAL-000086-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2003-03-03
Last Modified2026-06-16
ICS Relevance15%
Weakness (CWE)
Improper Restriction of Operations within Memory Buffer
SourceNVD
Official Description

Buffer overflow in ORACLE.EXE for Oracle Database Server 9i, 8i, 8.1.7, and 8.0.6 allows remote attackers to execute arbitrary code via a long username that is provided during login, as exploitable through client applications that perform their own authentication, as demonstrated using LOADPSP.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: Buffer overflow in ORACLE.EXE for Oracle Database Server 9i, 8i, 8.1.7, and 8.0.6 allows remote attackers to execute arbitrary code via a long username that is provided during login, as exploitable through client applications that perform their own authentication, as demonstrated using LOADPSP. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: MEDIUM

Affected Products
VendorProductAffected Versions
Oracle Oracle8I 8.1.7 8.1.7.1
Oracle Database Server 8.0.6 9.2.1 9.2.2
Oracle Oracle9I 9.0 9.0.1 9.0.1.2 9.0.1.3 9.0.2
Remediation
View Vendor Advisory →

Remediation Priority: MEDIUM

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 8635 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hasha075234901da0767a5c43850b95bc4e09c0cddba8517ccd3f52112a52e61075a5266c297bd98a45b6440f5bf2abd1ed7d4db8c5ee4f4bf7693c8e42b2e78c903
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