CVE-2023-21909 Information disclosure in Siebel UI Framework

What is CVE-2023-21909?

CVE-2023-21909 is a medium-severity vulnerability in Oracle Siebel Crm, published on 18 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Vulnerability in the Siebel CRM product of Oracle Siebel CRM (component: UI Framework). Supported versions that are affected are 23.3 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

Which versions are affected by CVE-2023-21909?

It affects 1 product.

Products include Oracle Siebel Crm.

How do I fix CVE-2023-21909?

No fix has been published for CVE-2023-21909 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-21909 being exploited?

There is no known exploitation of CVE-2023-21909 in the wild and no public exploit code.

Other vulnerabilities in Oracle Siebel Crm

• CVE-2026-61317 Auth bypass in Siebel CRM Cloud Applications Critical 9.9
• CVE-2026-62452 Auth bypass in Siebel CRM Cloud Applications Critical 9.9
• CVE-2026-62512 Auth bypass in Siebel CRM Cloud Applications Critical 9.9
• CVE-2026-62588 Auth bypass in Siebel CRM Integration Critical 9.9
• CVE-2026-60711 Auth bypass in Siebel CRM Cloud Applications Critical 9.9

All Oracle Siebel Crm vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-mvq9-wpmc-j92v.