EUVD-2026-79579
GHSA-5m25-8jw3-432r
Severity by source
AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-reachable EAI HTTP endpoint but requires valid low-privilege credentials and a non-trivial exploitation precondition, so PR:L and AC:H.
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionNVD
Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: EAI). Supported versions that are affected are 17.0-26.7. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Integration. Successful attacks of this vulnerability can result in takeover of Siebel CRM Integration. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).
AnalysisAI
Oracle Siebel CRM versions 17.0 through 26.7 contain a flaw in the Siebel CRM Integration (EAI) component that lets a low-privileged, network-positioned attacker achieve full takeover of the integration service over HTTP. Exploitation is rated difficult (CVSS AV:N/AC:H/PR:L/UI:N, base 7.5) and yields high confidentiality, integrity, and availability impact on the Integration component. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires three concrete preconditions established by the CVSS vector and description: (1) network reachability to the Siebel CRM Integration/EAI HTTP interface - the attacker must be able to send requests to the Integration component, meaning EAI endpoints exposed beyond a trusted internal segment are the primary exposure; (2) a valid low-privileged Siebel account, since PR:L explicitly requires authenticated access, which limits the threat to credential-holding insiders, compromised user accounts, or leaked integration service accounts; and (3) satisfaction of a non-trivial exploitation condition implied by AC:H, meaning simple one-shot requests will not work and the attacker must meet an undisclosed state, ordering, or timing requirement. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H) describes a network-reachable, high-complexity, low-privilege, no-user-interaction flaw with complete loss of confidentiality, integrity, and availability on the vulnerable component. … 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 the Oracle fix delivered in the Critical Security Patch Update advisory referenced by this CVE (https://www.oracle.com/security-alerts/cspusep2026.html); the input does not enumerate an exact patched version number per release train, so the precise target build must be read from that advisory rather than assumed. … Detailed patch versions, workarounds, and compensating controls in full report. |
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