CVE - CVE-2021-2351

CVE-ID
CVE-2021-2351	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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).
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:20211210 [SYSS-2021-061] Oracle Database - NNE Connection Hijacking URL:http://seclists.org/fulldisclosure/2021/Dec/19 MISC:20211210 [SYSS-2021-062] Oracle Database - Weak NNE Integrity Key Derivation URL:http://seclists.org/fulldisclosure/2021/Dec/20 MISC:Oracle Advisory URL:https://www.oracle.com/security-alerts/cpujan2023.html MISC:http://packetstormsecurity.com/files/165255/Oracle-Database-Protection-Mechanism-Bypass.html URL:http://packetstormsecurity.com/files/165255/Oracle-Database-Protection-Mechanism-Bypass.html MISC:http://packetstormsecurity.com/files/165258/Oracle-Database-Weak-NNE-Integrity-Key-Derivation.html URL:http://packetstormsecurity.com/files/165258/Oracle-Database-Weak-NNE-Integrity-Key-Derivation.html MISC:https://www.oracle.com/security-alerts/cpuapr2022.html URL:https://www.oracle.com/security-alerts/cpuapr2022.html MISC:https://www.oracle.com/security-alerts/cpujan2022.html URL:https://www.oracle.com/security-alerts/cpujan2022.html MISC:https://www.oracle.com/security-alerts/cpujul2021.html URL:https://www.oracle.com/security-alerts/cpujul2021.html MISC:https://www.oracle.com/security-alerts/cpujul2022.html URL:https://www.oracle.com/security-alerts/cpujul2022.html MISC:https://www.oracle.com/security-alerts/cpuoct2021.html URL:https://www.oracle.com/security-alerts/cpuoct2021.html
Assigning CNA
Oracle
Date Record Created
20201209	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20201209)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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