CVE-2021-2351
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).
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| WebLogic Server Oracle Corporation |
12.2.1.3.0 (affected) 12.2.1.4.0 (affected) 14.1.1.0.0 (affected) |
CNA: oracle |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 8.3 high |
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H | CNA: oracle |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://www.oracle.com/security-alerts/cpujul2021.htmlCNA: oracle · x_refsource_MISC
- https://www.oracle.com/security-alerts/cpuoct2021.htmlCNA: oracle · x_refsource_MISC
- http://seclists.org/fulldisclosure/2021/Dec/19CNA: oracle · mailing-list, x_refsource_FULLDISC
- http://seclists.org/fulldisclosure/2021/Dec/20CNA: oracle · mailing-list, x_refsource_FULLDISC
- https://www.oracle.com/security-alerts/cpujan2022.htmlCNA: oracle · x_refsource_MISC
- http://packetstormsecurity.com/files/165258/Oracle-Database-Weak-NNE-Integrity-Key-Derivation.htmlCNA: oracle · x_refsource_MISC
- http://packetstormsecurity.com/files/165255/Oracle-Database-Protection-Mechanism-Bypass.htmlCNA: oracle · x_refsource_MISC
- https://www.oracle.com/security-alerts/cpuapr2022.htmlCNA: oracle · x_refsource_MISC
- https://www.oracle.com/security-alerts/cpujul2022.htmlCNA: oracle · x_refsource_MISC
- https://www.oracle.com/security-alerts/cpujan2023.htmlCNA: oracle · vendor-advisory
- https://www.oracle.com/security-alerts/cpujul2021.htmlADP: CVE · x_refsource_MISC, x_transferred
- https://www.oracle.com/security-alerts/cpuoct2021.htmlADP: CVE · x_refsource_MISC, x_transferred
- http://seclists.org/fulldisclosure/2021/Dec/19ADP: CVE · mailing-list, x_refsource_FULLDISC, x_transferred
- http://seclists.org/fulldisclosure/2021/Dec/20ADP: CVE · mailing-list, x_refsource_FULLDISC, x_transferred
- https://www.oracle.com/security-alerts/cpujan2022.htmlADP: CVE · x_refsource_MISC, x_transferred
- http://packetstormsecurity.com/files/165258/Oracle-Database-Weak-NNE-Integrity-Key-Derivation.htmlADP: CVE · x_refsource_MISC, x_transferred
- http://packetstormsecurity.com/files/165255/Oracle-Database-Protection-Mechanism-Bypass.htmlADP: CVE · x_refsource_MISC, x_transferred
- https://www.oracle.com/security-alerts/cpuapr2022.htmlADP: CVE · x_refsource_MISC, x_transferred
- https://www.oracle.com/security-alerts/cpujul2022.htmlADP: CVE · x_refsource_MISC, x_transferred
- https://www.oracle.com/security-alerts/cpujan2023.htmlADP: CVE · vendor-advisory, x_transferred
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