Oracle Enterprise Manager for Siebel: Remote takeover via HTTP (Configuration Management)
Summary
Oracle Enterprise Manager for Siebel versions 13.5 and 24.1 contain a vulnerability in the Configuration Management component. A low-privileged attacker with network access via HTTP can compromise the product, and successful attacks can result in a full takeover of the product with high impact on confidentiality, integrity and availability. No authentication is needed beyond a valid low-privilege account, and Oracle rates the flaw CVSS 3.1 8.8 (High).
Affected
- Oracle Enterprise Manager for Siebel 13.5
- Oracle Enterprise Manager for Siebel 24.1
Fixed in
Unknown. Check the patch availability section of the Oracle Critical Patch Update October 2026 for the patch for 13.5 and 24.1.
Workaround
- None identified by the vendor.
- Until patching, restrict HTTP access to the management interface to administrative networks.
- Review accounts with low-privilege access.
Exploitation
- No evidence of exploitation in the wild found.
- No public proof-of-concept found.
- EPSS 0.00479 (low predicted exploitation probability).
Our recommendation
- Confirm whether Siebel CRM and Enterprise Manager for Siebel are deployed, and which version.
- If affected, apply the 13.5 or 24.1 patch from the October 2026 Oracle advisory, testing on a non-production system first.
- Until patched, limit access to the management interface and review its accounts.
- Do not expose the management console to the internet.
Public exploits
PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.
Research sources
- Oracle Critical Patch Update October 2026 www.oracle.com
- NVD record via Vulners vulners.com
- CVE List record via Vulners vulners.com
- Strix CVE summary www.strix.ai
Researched and written up in English and German by an AI (Claude by Anthropic) based on NVD, CISA, EPSS and the sources listed. The vendor information is authoritative. Researched on 31 Oct 2026, 15:30.
Original description (NVD)
Vulnerability in the Oracle Enterprise Manager for Siebel product of Oracle Enterprise Manager (component: Configuration Management). Supported versions that are affected are 13.5 and 24.1. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Enterprise Manager for Siebel. Successful attacks of this vulnerability can result in takeover of Oracle Enterprise Manager for Siebel. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
NVD references (1)
Sources
The tracker combines official, freely usable data sources – updated continuously:
- NVD (NIST) – CVEs, rating (CVSS), affected products
- CISA KEV – vulnerabilities confirmed by CISA as actively exploited
- CISA Vulnrichment – CISA assessment (SSVC) in the official CVE record
- FIRST EPSS – probability of exploitation
- Microsoft MSRC – Patch Tuesday: vulnerabilities, severity, updates
- PoC-in-GitHub – public proof-of-concept repositories
- Metasploit (Rapid7) – modules of the Metasploit Framework
- Exploit-DB (OffSec) – archive of public exploits (links only)
- Patch days: official vendor pages (linked per vendor) (Vendor patch days)
This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.
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