CVE-2021-2039: Vulnerability in the Siebel Core - Server Framework product of Oracle Siebel CRM (component: Search). Supported versions that are affected are 20.12 a...

Description

Vulnerability in the Siebel Core - Server Framework product of Oracle Siebel CRM (component: Search). Supported versions that are affected are 20.12 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel Core - Server Framework. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel Core - Server Framework, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel Core - Server Framework accessible data as well as unauthorized update, insert or delete access to some of Siebel Core - Server Framework accessible data. CVSS 3.1 Base Score 7.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N).

Metrics

CVSS 3.1

7.6/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N

EPSS Probability

0.94%

56.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Oracle	Siebel Core - Server Framework	<= 20.12

References

https://www.oracle.com/security-alerts/cpujan2021.htmlVendor Advisory
https://www.oracle.com/security-alerts/cpujan2021.htmlVendor Advisory

Timeline

Published: Jan 20, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-2039?

Vulnerability in the Siebel Core - Server Framework product of Oracle Siebel CRM (component: Search). Supported versions that are affected are 20.12 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel Core - Server Framework. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel Core - Server Framework, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel Core - Server Framework accessible data as well as unauthorized update, insert or delete access to some of Siebel Core - Server Framework accessible data. CVSS 3.1 Base Score 7.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N).

How severe is CVE-2021-2039?

CVE-2021-2039 has a CVSS score of 7.6/10 (HIGH severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.

How do I fix CVE-2021-2039?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.