Description
Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Siebel CRM Cloud Applications executes to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Cloud Applications accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 6.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).
Published: 2026-10-20
Score: 6.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Unauthorized Creation, Deletion, or Modification of Critical Data in Siebel CRM Cloud Applications
Action: Patch ASAP
AI Analysis

Impact

The vulnerability allows an unauthenticated attacker who has access to the physical communication segment connected to the hardware running Siebel CRM Cloud Applications to compromise the application. Exploitation can result in unauthorized creation, deletion, or modification of data, and potentially full access to all data stored in the application. The weakness stems from insufficient access controls that permit an attacker to perform privileged actions without authentication.

Affected Systems

Oracle Siebel CRM Cloud Applications, specifically the Siebel Cloud Manager component, versions 22.3 through 26.9 are affected.

Risk and Exploitability

The CVSS base score of 6.8 indicates a medium severity with impacts on confidentiality and integrity. The attack vector is adjacent network (AV:A) and requires no existing authentication or user interface interaction. The EPSS score is not available and the issue is not listed in the CISA KEV catalog, suggesting that active exploitation may be low but the potential impact remains significant for systems on the same physical network segment.

Generated by OpenCVE AI on October 21, 2026 at 09:30 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Apply the Oracle security patch released for versions 22.3 to 26.9 as documented in the official update advisory.
  • Reconfigure the physical network to isolate the Siebel CRM Cloud Applications hardware, preventing direct adjacency with potentially compromised systems (e.g., VLAN segregation, firewall rules).
  • Implement monitoring and alerting for anomalous data modification events within the Siebel CRM Cloud Applications to detect any unauthorized activity.

Generated by OpenCVE AI on October 21, 2026 at 09:30 UTC.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Wed, 04 Nov 2026 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Oracle siebel Crm
CPEs cpe:2.3:a:oracle:siebel_crm:*:*:*:*:*:*:*:*
Vendors & Products Oracle siebel Crm

Wed, 21 Oct 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 21 Oct 2026 10:00:00 +0000

Type Values Removed Values Added
Title Unauthorized Physical Network Access Enables Data Modification in Siebel CRM Cloud Applications
Weaknesses CWE-284
CWE-862

Tue, 20 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
Description Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Siebel CRM Cloud Applications executes to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Cloud Applications accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 6.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).
First Time appeared Oracle
Oracle siebel Crm Cloud Applications
CPEs cpe:2.3:a:oracle:siebel_crm_cloud_applications:*:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle siebel Crm Cloud Applications
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}


Subscriptions

Oracle Siebel Crm Siebel Crm Cloud Applications
cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published:

Updated: 2026-10-21T16:01:28.702Z

Reserved: 2026-09-14T22:10:16.630Z

Link: CVE-2026-91364

cve-icon Vulnrichment

Updated: 2026-10-21T16:01:12.360Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-20T22:20:39.240

Modified: 2026-11-04T14:17:47.837

Link: CVE-2026-91364

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-21T14:45:14Z

Weaknesses