CVE-2026-83191
HighCVSS 8.1Exploitation Probability (EPSS)
Low risk34th percentile - higher than 34% of all known CVEs
Summary
Vulnerability in Oracle Siebel CRM Deployment (component: Server Infrastructure) affecting versions 17.0-26.7. A difficult-to-exploit flaw allows an unauthenticated attacker with network access via TCP to compromise Siebel CRM Deployment.
Risk Assessment
Successful exploitation can result in full takeover of Siebel CRM Deployment, impacting confidentiality, integrity, and availability. Despite the exploitation difficulty, the risk is high due to no required privileges.
Recommendation
Immediately apply the available Oracle security updates for Siebel CRM Deployment and restrict network access to this component.
Other vulnerabilities in Oracle Siebel CRM Deployment
See all- CVE-2026-83229Critical
Vulnerability in Oracle Siebel CRM Deployment (component: Siebel Management Console) affecting versions 17.0-26.7. A high privileged authenticated attacker with network access via HTTP can take over the system, and the attack may also impact additional products (scope change).
- CVE-2026-83202Critical
Vulnerability in Oracle Siebel CRM Deployment (component: Server Infrastructure) affecting versions 17.0-26.7. An unauthenticated attacker with network access via HTTP can modify or delete data and gain access to all data accessible in the system.
- CVE-2026-83201Critical
Vulnerability in Oracle Siebel CRM Deployment (component: Server Infrastructure) affecting versions 17.0-26.7. An unauthenticated attacker with network access via HTTP can modify or delete data and gain access to all data accessible in the system.
- CVE-2026-83196Critical
Vulnerability in Oracle Siebel CRM Deployment (component: Server Infrastructure) affecting versions 17.0-26.7. A high privileged authenticated attacker with network access via HTTP can take over the system, and the attack may also impact additional products (scope change).
- CVE-2026-83222High
Vulnerability in Oracle Siebel CRM Deployment (component: Server Infrastructure) affecting versions 17.0-26.7. An unauthenticated attacker with network access can easily cause a hang or frequently repeatable crash (complete DoS) of Siebel CRM Deployment.
- CVE-2026-83219High
Vulnerability in Oracle Siebel CRM Deployment (component: Server Infrastructure) affecting versions 17.0-26.7. A low-privileged attacker with logon access to the infrastructure where Siebel CRM Deployment executes can create, delete, or modify critical data and gain full access to it.
- CVE-2026-83218High
Vulnerability in Oracle Siebel CRM Deployment (component: Server Infrastructure) affecting versions 17.0-26.7. An unauthenticated attacker with network access via HTTP can, although with difficulty, create, delete, or modify critical data and gain full access to it.
- CVE-2026-83216High
Vulnerability in Oracle Siebel CRM Deployment (component: Server Infrastructure) affecting versions 17.0-26.7. A low-privileged attacker with logon access to the infrastructure where Siebel CRM Deployment executes can take over Siebel CRM Deployment.
- CVE-2026-83215High
Vulnerability in Oracle Siebel CRM Deployment (component: Server Infrastructure) affecting versions 17.0-26.7. An unauthenticated attacker with network access via HTTP can gain unauthorized access to critical data and update, insert, or delete some data accessible in Siebel CRM Deployment.
- CVE-2026-83214High
Vulnerability in Oracle Siebel CRM Deployment (component: Server Infrastructure) affecting versions 17.0-26.7. A low-privileged attacker with logon access to the infrastructure where Siebel CRM Deployment executes 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. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TCP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in takeover of Siebel CRM Deployment. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
Vulnerability data from NVD (NIST) · CISA KEV · EPSS