CVE-2021-2351

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).

CVSS base score
8.3 (v3.1)
Severity
HIGH
Attack vector
Network
Weakness
CWE-327, CWE-384
Last modified
November 2, 2026
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

oracle advanced networking option oracle agile engineering data management oracle agile product lifecycle management oracle agile product lifecycle management for process oracle airlines data model oracle application performance management oracle application testing suite oracle argus analytics oracle argus insight oracle argus mart

References

View full NVD advisory →

More oracle vulnerabilities

← Back to CVE watch