The versions of Oracle Siebel CRM installed on the remote host are affected by multiple vulnerabilities as referenced in the April 2026 CPU advisory.

  - Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: REST (Jettison)).
    Supported versions that are affected are 17.0-26.2. Easily exploitable vulnerability allows     unauthenticated attacker with network access via HTTP to compromise Siebel CRM Integration. Successful     attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable     crash (complete DOS) of Siebel CRM Integration. (CVE-2022-40149, CVE-2022-40150, CVE-2022-45685,     CVE-2022-45693, CVE-2023-1436, CVE-2026-28493, CVE-2026-28494, CVE-2026-28686, CVE-2026-28687,     CVE-2026-28688, CVE-2026-28689, CVE-2026-28690, CVE-2026-28691, CVE-2026-28692, CVE-2026-28693,     CVE-2026-30883, CVE-2026-30929, CVE-2026-30931, CVE-2026-30935, CVE-2026-30936)

  - Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Keyword Automation     (Netty)). Supported versions that are affected are 17.0-26.2. Easily exploitable 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. (CVE-2025-58056, CVE-2025-58057)

  - Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: Event Publish and     Subscribe (Apache Kafka)). Supported versions that are affected are 17.0-26.2. Easily exploitable     vulnerability allows unauthenticated attacker with network access via TCP to compromise Siebel CRM     Integration. Successful attacks of this vulnerability can result in unauthorized access to critical data     or complete access to all Siebel CRM Integration accessible data. (CVE-2025-27817, CVE-2025-27818)

  - Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: Event Publish and     Subscribe (jose4j)). Supported versions that are affected are 17.0-26.2. Easily exploitable vulnerability     allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Integration.
    Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently     repeatable crash (complete DOS) of Siebel CRM Integration. (CVE-2023-51775, CVE-2024-29371)

  - Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Keyword Automation     (Apache Commons Lang)). Supported versions that are affected are 17.0-26.2. Easily exploitable     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 partial     denial of service (partial DOS) of Siebel CRM Deployment. (CVE-2025-48924)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

Analytics

Oracle Siebel Server <= 26.2 (April 2026 CPU)

high Nessus Plugin ID 309923

Version 1.2

Version 1.1

Version 1.2 Apr 27, 2026, 11:43 AM CVSS metrics ("Cvssv4 score" set to 8.2) CVSS metrics ("Cvssv4 vector" set to "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N") CVSSv4 severity (based on CVE-2025-55163, severity increased from "Medium" to "High") Plugin Feed: 202604271143
Version 1.1 Apr 23, 2026, 6:19 PM New Plugin Feed: 202604231819