CVE-2026-83180

8.8

Oracle · Siebel CRM Deployment

A vulnerability in Oracle Siebel CRM Server Infrastructure allows authenticated attackers with low privileges to achieve full system takeover via network access.

Executive summary

An easily exploitable vulnerability in Oracle Siebel CRM allows low privileged attackers to seize control of the deployment, posing a severe risk to organizational data and operations.

Vulnerability

This vulnerability affects the Server Infrastructure component and allows an attacker with low-level authenticated network access to perform unauthorized actions. By sending malicious HTTP requests, an attacker can compromise the integrity and availability of the Siebel CRM environment.

Business impact

The potential for full system takeover represents a critical risk to business continuity and data security. A successful exploit would grant an attacker complete control over the CRM, enabling unauthorized access to sensitive customer data, potential modification of business records, and the total disruption of core CRM services. With a CVSS score of 8.8, this vulnerability is classified as high severity and requires immediate attention to prevent significant reputational and operational damage.

Remediation

Immediate Action: Review the official Oracle security advisory for the latest CPU (Critical Patch Update) and apply the necessary patches to upgrade your Siebel CRM deployment beyond version 26.7.

Proactive Monitoring: Monitor server infrastructure logs for unusual HTTP traffic patterns or unauthorized attempts to access administrative functions within the Siebel CRM environment.

Compensating Controls: Implement strict network segmentation and utilize a Web Application Firewall (WAF) to filter malicious HTTP traffic targeted at the Siebel CRM server infrastructure.

Exploitation status

Public Exploit Available: No (exploit_available: false)

Analyst recommendation

Given the high CVSS score and the potential for complete system takeover, administrators should prioritize this update within their standard maintenance cycle. Ensure that all systems running versions between 17.0 and 26.7 are identified immediately and scheduled for patching to mitigate the risk of unauthorized access and data compromise.

More Oracle CVEs all →

History

  1. Disclosed CVE record published
  2. Collected by CVE Brief via github
  3. Analyst report written
  4. Published in the daily brief high section

Sources