CVE-2026-83155
HighCVSS 7.3Exploitation Probability (EPSS)
Low risk11th percentile - higher than 11% of all known CVEs
Summary
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure) affecting versions 17.0-26.7. A low-privileged attacker with access to the physical communication segment can access critical data and cause hangs or repeatable crashes (DoS).
Risk Assessment
The ability to access critical data and cause crashes can disrupt Siebel CRM Deployment operations and breach confidentiality and availability. Access to the physical communication segment is required.
Recommendation
Apply Oracle patches for versions 17.0-26.7 and secure the physical communication segment connected to Siebel CRM Deployment. Monitor for unusual network activity.
Other vulnerabilities in Oracle Siebel CRM
See all- CVE-2026-83212High
Vulnerability in the Siebel Apps - Self Service product of Oracle Siebel CRM (component: Helpdesk/Training) affecting versions 17.0-26.7. Easily exploitable by a low privileged attacker with network access via HTTP. Successful attacks can result in takeover of the application.
- CVE-2026-83211High
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure) affecting versions 17.0-26.7. Easily exploitable by a low privileged attacker with logon to the infrastructure where the component executes. Successful attacks can result in takeover of the component.
- CVE-2026-83210High
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure) affecting versions 17.0-26.7. Easily exploitable by a low privileged attacker with network access via SQL. Successful attacks can result in takeover of the component.
- CVE-2026-83209High
Vulnerability in the Siebel CRM Development product of Oracle Siebel CRM (component: Workflow) affecting versions 17.0-26.7. Easily exploitable by a low privileged attacker with network access via HTTP. Successful attacks can result in takeover of the component.
- CVE-2026-83208High
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Migration) affecting versions 17.0-26.7. Easily exploitable by a low privileged attacker with network access via SQL. Successful attacks can result in takeover of the component.
- CVE-2026-83207High
Vulnerability in the Siebel CRM Development product of Oracle Siebel CRM (component: Integration - Scripting) affecting versions 17.0-26.7. Easily exploitable by a low privileged attacker with network access via HTTP. Successful attacks can cause a hang or frequently repeatable crash (complete DOS), unauthorized update, insert or delete access, and unauthorized read access.
- CVE-2026-83203High
Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI) affecting versions 17.0-26.7. Easily exploitable by an unauthenticated attacker with network access via HTTP. Successful attacks can result in unauthorized access to critical data, unauthorized data modifications, and partial DOS.
- CVE-2026-83193High
Vulnerability in Oracle Siebel CRM's Siebel Apps - Life Sciences (component: Life Sciences) affecting versions 17.0-26.7. An easily exploitable flaw allows a low-privileged attacker with logon access to the infrastructure to compromise the system, requiring user interaction.
- CVE-2026-83192High
Vulnerability in Oracle Siebel CRM End User (component: Open UI) affecting versions 17.0-26.7. A difficult-to-exploit flaw allows an unauthenticated attacker with network access via HTTP to compromise Siebel CRM End User.
- CVE-2026-83153High
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure) affecting versions 17.0-26.7. A low-privileged attacker with network access via HTTPS can take over Siebel CRM Deployment.
Original NVD description (English source)
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows low privileged attacker with access to the physical communication segment attached to the hardware where the Siebel CRM Deployment executes to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM Deployment accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Deployment. CVSS 3.1 Base Score 7.3 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H).
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

