Detections
Analytics

Oracle Siebel Server <= 26.2 (April 2026 CPU)

medium Nessus Plugin ID 309923

Synopsis

The remote host is affected by multiple vulnerabilities

Description

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.

Solution

Apply the appropriate patch according to the April 2026 Oracle Critical Patch Update advisory.

See Also

https://www.oracle.com/docs/tech/security-alerts/cpuapr2026csaf.json

https://www.oracle.com/security-alerts/cpuapr2026.html

Plugin Details

Severity: Medium

ID: 309923

File Name: oracle_siebel_cpu_apr_2026_26_2.nasl

Version: 1.1

Type: Local

Agent: windows, macosx, unix

Family: Misc.

Published: 4/23/2026

Updated: 4/23/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N

CVSS Score Source: CVE-2025-58056

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS Score Source: CVE-2026-30931

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 5.5

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2025-58057

Vulnerability Information

CPE: cpe:/a:oracle:siebel_crm

Required KB Items: installed_sw/Oracle Siebel Server

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/21/2026

Vulnerability Publication Date: 4/21/2026

Reference Information

CVE: CVE-2022-40149, CVE-2022-40150, CVE-2022-45685, CVE-2022-45693, CVE-2023-1436, CVE-2023-51775, CVE-2024-29371, CVE-2025-27817, CVE-2025-27818, CVE-2025-48924, CVE-2025-55163, CVE-2025-58056, CVE-2025-58057, CVE-2025-68161, 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