CVE-2020-2747: Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: SSO Engine). Supported versions that are affected are 11.1....

Description

Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: SSO Engine). Supported versions that are affected are 11.1.2.3.0 and 12.2.1.3.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Access Manager. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Access Manager, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Access Manager accessible data as well as unauthorized read access to a subset of Oracle Access Manager accessible data. CVSS 3.0 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.71%

48.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Oracle	Access Manager	11.1.2.3.0
Oracle	Access Manager	12.2.1.3.0

References

https://www.oracle.com/security-alerts/cpuapr2020.htmlVendor Advisory
https://www.oracle.com/security-alerts/cpuapr2020.htmlVendor Advisory

Timeline

Published: Apr 15, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-2747?

Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: SSO Engine). Supported versions that are affected are 11.1.2.3.0 and 12.2.1.3.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Access Manager. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Access Manager, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Access Manager accessible data as well as unauthorized read access to a subset of Oracle Access Manager accessible data. CVSS 3.0 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).

How severe is CVE-2020-2747?

CVE-2020-2747 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.

How do I fix CVE-2020-2747?

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.