CVE-2021-2351

Published on: 07/20/2021 12:00:00 AM UTC

Last Modified on: 07/21/2021 03:21:00 PM UTC

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

Certain versions of Advanced Networking Option from Oracle Corporation contain the following vulnerability:

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:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H).

  • CVE-2021-2351 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.
  • Affected Vendor/Software: URL Logo Oracle Corporation - Advanced Networking Option version = 12.1.0.2
  • Affected Vendor/Software: URL Logo Oracle Corporation - Advanced Networking Option version = 12.2.0.1
  • Affected Vendor/Software: URL Logo Oracle Corporation - Advanced Networking Option version = 19c

CVSS3 Score: 8.3 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK HIGH NONE REQUIRED
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
CHANGED HIGH HIGH HIGH

CVE References

Description Tags Link
Oracle Critical Patch Update Advisory - July 2021 www.oracle.com
text/html
URL Logo MISC www.oracle.com/security-alerts/cpujul2021.html

Related QID Numbers

  • 20226 Oracle Database 19c Critical Patch Update - July 2021
  • 20227 Oracle Database 12.2.0.1 Critical Patch Update - July 2021
  • 20228 Oracle Database 12.2.0.1 Critical Patch Update - July 2021 (Unauthenticated)
  • 20229 Oracle Database 12.1.0.2 Critical Patch Update - July 2021
  • 20230 Oracle Database 12.1.0.2 Critical Patch Update - July 2021 (Unauthenticated)

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-2351 : Vulnerability in the Advanced Networking Option component of Oracle Database Server. Supported vers… twitter.com/i/web/status/1… 2021-07-20 23:40:37
Reddit Logo Icon /r/netcve CVE-2021-2351 2021-07-21 00:40:24
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