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CVE-2021-2351

Published: Jul 20, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-327
NVD MITRE
8.3CVSSHIGH
EPSS Score
2.5%
Top 17.4%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available

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).

CVSS Vector Breakdown

AV:NAC:HPR:NUI:RS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-327CWE-384

Affected Products

Instantis EnterpriseTrackOracle Corp.
On-premWeb App
Enterprise Software / itsm-monitoring
Database ServerOracle Corp.
On-premDatabase
Databases / relational
Retail Store Inventory ManagementOracle Corp.
On-prem
Databases / relational
Communications MetaSolv SolutionOracle Corp.
On-prem
Databases / relational
Communications Application Session ControllerOracle Corp.
On-prem
Databases / relational
oracle corp.commercialUSDatabasesaka oracle
and 118 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

3 techniques
Collection
Defense Evasion
Initial Access
View detailed technique mapping

References

http://packetstormsecurity.com/files/165255/Oracle-Database-Protection-Mechanism-Bypass.html
packetstormsecurity.com
http://packetstormsecurity.com/files/165258/Oracle-Database-Weak-NNE-Integrity-Key-Derivation.html
packetstormsecurity.com
http://seclists.org/fulldisclosure/2021/Dec/19
seclists.org
and 12 more references View all →

Timeline

Published
Jul 20, 2021
Last Updated
Nov 21, 2024

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