Vulnerability in Oracle Advanced Networking Option
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).
Vulnerability class: POODLE (CVE-2014-3566)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.024 (84.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Oracle Advanced Networking Option — versions 12.1.0.2, 12.2.0.1, 19c
- Oracle Agile Engineering Data Management — versions 6.2.1.0
- Oracle Agile Plm — versions 9.3.6
- Oracle Agile Product Lifecycle Management — versions 9.3.6
- Oracle Agile Product Lifecycle Management For Process — versions 6.2.2.0, 6.2.3.0
- Oracle Airlines Data Model — versions 12.1.1.0.0, 12.2.0.1.0
- Oracle Application Performance Management — versions 13.4.1.0, 13.5.1.0
- Oracle Application Testing Suite — versions 13.3.0.1
- Oracle Argus Analytics — versions 8.2.1, 8.2.2, 8.2.3
- Oracle Argus Insight — versions 8.2.1, 8.2.2, 8.2.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.oracle.com/security-alerts/cpujul2021.html (Patch, Vendor Advisory)
- www.oracle.com/security-alerts/cpuoct2021.html (Patch, Vendor Advisory)
- seclists.org/fulldisclosure/2021/Dec/19 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- seclists.org/fulldisclosure/2021/Dec/20 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- www.oracle.com/security-alerts/cpujan2022.html (Patch, Vendor Advisory)
- packetstormsecurity.com/files/165258/Oracle-Database-Weak-NNE-Integrity-Key-Der… (Exploit, VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/165255/Oracle-Database-Protection-Mechanism-Bypas… (Exploit, VDB Entry, Third Party Advisory)
- www.oracle.com/security-alerts/cpuapr2022.html (Patch, Vendor Advisory)
- www.oracle.com/security-alerts/cpujul2022.html (Vendor Advisory)
- www.oracle.com/security-alerts/cpujan2023.html (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-2351?
- CVE-2021-2351 is a high-severity vulnerability in Oracle Advanced Networking Option, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 8.3/10. Published 2021-07-21.
- How severe is CVE-2021-2351?
- High severity. CVSS v3 base score is 8.3 out of 10.
- Is CVE-2021-2351 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.