EUVD-2026-61422
GHSA-mvpm-265q-pf34
Severity by source
AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Adjacent vector confirmed by description's 'physical communication segment' language; PR:N and no availability impact align with unauthenticated data access and integrity loss only.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Search). Supported versions that are affected are 17.0-26.6. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Siebel CRM End User executes to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM End User accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM End User accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
AnalysisAI
Unauthenticated adjacent-network exploitation of Oracle Siebel CRM's Search component allows complete read and write access to all CRM data across versions 17.0 through 26.6. Successful exploitation enables creation, deletion, and modification of critical data as well as full confidentiality compromise without any prior authentication or user interaction. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires adjacent-network access - specifically, the attacker must be positioned on the physical communication segment or logical network segment (e.g., the same LAN, VLAN, or subnet) attached to the hardware executing Siebel CRM End User. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 8.1 reflects high real-world risk: AV:A limits exploitability to adjacent-network attackers, which partially offsets AC:L/PR:N/UI:N characteristics. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply Oracle's Critical Patch Update released in August 2026, available via the Oracle CPU advisory at https://www.oracle.com/security-alerts/cspuaug2026.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all Siebel CRM deployments in versions 17.0-26.6 and audit their network exposure; immediately restrict any internet-accessible instances to internal-only networks or secured gateways. …
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Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
View allShare
External POC / Exploit Code
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