CVE-2021-2018: Vulnerability in the Advanced Networking Option component of Oracle Database Server. Supported versions that are affected are 18c and 19c. Difficult t...

Description

Vulnerability in the Advanced Networking Option component of Oracle Database Server. Supported versions that are affected are 18c and 19c. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Advanced Networking Option. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Advanced Networking Option, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Advanced Networking Option. Note: CVE-2021-2018 affects Windows platform only. CVSS 3.1 Base Score 8.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H).

Metrics

CVSS 3.1

8.3/10

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

EPSS Probability

1.44%

69.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Oracle	Advanced Networking Option	18c
Oracle	Advanced Networking Option	19c
Oracle	Adaptive Access Manager	11.1.2.3.0
Oracle	Data Integrator	11.1.1.9.0
Oracle	Data Integrator	12.2.1.3.0
Oracle	Data Integrator	12.2.1.4.0
Oracle	Enterprise Manager For Fusion Applications	13.3.0.0
Oracle	Hospitality Simphony	18.2.7.2
Oracle	Hospitality Simphony	19.1.3
Oracle	Weblogic Server	12.2.1.3.0

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-2021-2018?

Vulnerability in the Advanced Networking Option component of Oracle Database Server. Supported versions that are affected are 18c and 19c. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Advanced Networking Option. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Advanced Networking Option, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Advanced Networking Option. Note: CVE-2021-2018 affects Windows platform only. CVSS 3.1 Base Score 8.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H).

How severe is CVE-2021-2018?

CVE-2021-2018 has a CVSS score of 8.3/10 (HIGH severity). The EPSS model estimates a 1.44% probability of exploitation in the next 30 days.

How do I fix CVE-2021-2018?

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.