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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-2351 Detail

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


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/165255/Oracle-Database-Protection-Mechanism-Bypass.html Exploit  Third Party Advisory  VDB Entry 
http://packetstormsecurity.com/files/165258/Oracle-Database-Weak-NNE-Integrity-Key-Derivation.html Exploit  Third Party Advisory  VDB Entry 
http://seclists.org/fulldisclosure/2021/Dec/19 Exploit  Mailing List  Third Party Advisory 
http://seclists.org/fulldisclosure/2021/Dec/20 Exploit  Mailing List  Third Party Advisory 
https://www.oracle.com/security-alerts/cpuapr2022.html Patch  Vendor Advisory 
https://www.oracle.com/security-alerts/cpujan2022.html Patch  Vendor Advisory 
https://www.oracle.com/security-alerts/cpujan2023.html Vendor Advisory 
https://www.oracle.com/security-alerts/cpujul2021.html Patch  Vendor Advisory 
https://www.oracle.com/security-alerts/cpujul2022.html Vendor Advisory 
https://www.oracle.com/security-alerts/cpuoct2021.html Patch  Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-327 Use of a Broken or Risky Cryptographic Algorithm cwe source acceptance level NIST  
CWE-384 Session Fixation cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

15 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-2351
NVD Published Date:
07/21/2021
NVD Last Modified:
02/16/2024
Source:
Oracle