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CVE

CVE-2021-2351

Vulnerability in the Advanced Networking Option component of Oracle Database Server. Supported versions that are affecte

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).

HIGH · CVSS 8.3 EPSS 0.03301
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-327Use of a Broken or Risky Cryptographic Algorithm
CWE-384Session Fixation
▤

Affected Products & Versions

29
oracle advanced networking optionall versions
oracle agile engineering data managementall versions
oracle agile plmall versions
oracle agile product lifecycle management for processall versions
oracle airlines data modelall versions
oracle application performance managementall versions
oracle application testing suiteall versions
oracle argus analyticsall versions
⚠

Public Exploits & PoCs

2
pocpacketstormsecurity.com · Oracle-Database-Protection-Mechanism-Bypass.htmlpacketstormsecurity.com
pocpacketstormsecurity.com · Oracle-Database-Weak-NNE-Integrity-Key-Derivation.htmlpacketstormsecurity.com
▣

Scoring & Timeline

8.3
HIGH · CVSS v3.1 · secalert_us@oracle.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD21 Jul 2021 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
⚑

Vendor Advisories

1
oracle-cpuoracle-cpu-Application-Performance-Management-9572--CVE-2021-2351
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/fulldisclosure/2021/Dec/19ExploitMailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2021/Dec/20ExploitMailing ListThird Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatchVendor Advisory
https://www.oracle.com/security-alerts/cpujan2022.htmlPatchVendor Advisory
https://www.oracle.com/security-alerts/cpujan2023.htmlVendor Advisory
https://www.oracle.com/security-alerts/cpujul2021.htmlPatchVendor Advisory
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