CVE-2021-2351
Summary
| CVE | CVE-2021-2351 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-07-21 15:15:00 UTC |
| Updated | 2023-10-23 19:15:00 UTC |
| 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). |
Risk And Classification
Problem Types: CWE-327 | CWE-384
NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Oracle Critical Patch Update Advisory - July 2021 | MISC | www.oracle.com | |
| Full Disclosure: [SYSS-2021-061] Oracle Database - NNE Connection Hijacking | FULLDISC | seclists.org | |
| Oracle Critical Patch Update Advisory - April 2022 | MISC | www.oracle.com | |
| Oracle Critical Patch Update Advisory - October 2021 | MISC | www.oracle.com | |
| Full Disclosure: [SYSS-2021-062] Oracle Database - Weak NNE Integrity Key Derivation | FULLDISC | seclists.org | |
| Oracle Critical Patch Update Advisory - January 2022 | MISC | www.oracle.com | |
| Oracle Database Weak NNE Integrity Key Derivation ≈ Packet Storm | MISC | packetstormsecurity.com | |
| Oracle Critical Patch Update Advisory - January 2023 | MISC | www.oracle.com | |
| Oracle Database Protection Mechanism Bypass ≈ Packet Storm | MISC | packetstormsecurity.com | |
| Oracle Critical Patch Update Advisory - July 2022 | N/A | www.oracle.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 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)
- 20279 Oracle Database 19c Critical OJVM Patch Update - July 2021
- 20315 Oracle Database 12.2.0.1 Critical OJVM Patch Update - July 2021
- 376257 Oracle PeopleSoft Enterprise PeopleTools Product Multiple Vulnerabilities (CPUJAN2022)