CVE Catalog

CVE-2026-91421

MediumCVSS 5.9
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.37%

29th percentile - higher than 29% of all known CVEs

Summary

Vulnerability in the Siebel CRM Deployment product (Server Infrastructure component) of Oracle Siebel CRM. A difficult-to-exploit flaw allows an unauthenticated network attacker via HTTP to cause a hang or repeatable crash (DoS) of the system.

Risk Assessment

Possible disruption of availability of the Siebel deployment infrastructure, affecting continuity of CRM services.

Recommendation

Update Oracle Siebel CRM to a patched version and consider DoS protection mechanisms.

Other vulnerabilities in Oracle Siebel CRM

See all
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 17.0-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Deployment. CVSS 3.1 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).

Vulnerability data from NVD (NIST) · CISA KEV · EPSS