CVE-2021-2351
8.3 · HIGHOverview
CVE-2021-2351 is a high-severity vulnerability affecting oracle advanced_networking_option. It was published on July 21, 2021 and has a CVSS 3.1 base score of 8.3 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Vulnerability in the Advanced Networking Option component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1 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: The July 2021 Critical Patch Update introduces a number of Native Network Encryption changes to deal with vulnerability CVE-2021-2351 and prevent the use of weaker ciphers. Customers should review: "Changes in Native Network Encryption with the July 2021 Critical Patch Update" (Doc ID 2791571.1). CVSS 3.1 Base Score 8.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV
Remediation
Check the references section for vendor advisories and patches from oracle. Update advanced_networking_option to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| oracle | banking_apis | 18.1 | Affected |
| oracle | banking_digital_experience | 18.1 | Affected |
| oracle | big_data_spatial_and_graph | >= 0, < 23.1 | Affected |
References
Frequently Asked Questions
What is CVE-2021-2351?
CVE-2021-2351 is a high-severity vulnerability affecting oracle advanced_networking_option. It was published on July 21, 2021 and has a CVSS 3.1 base score of 8.3 (HIGH).
How severe is CVE-2021-2351?
This vulnerability has a CVSS 3.1 base score of 8.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-2351?
Check the references section for vendor advisories and patches from oracle. Update advanced_networking_option to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-2351?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-2351 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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