CVE-2021-35551

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Vulnerability in the RDBMS Security component of Oracle Database Server. Supported versions that are affected are 12.2.0.1, 19c and 21c. Easily exploitable vulnerability allows high privileged attacker having DBA privilege with network access via Oracle Net to compromise RDBMS Security. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of RDBMS Security as well as unauthorized update, insert or delete access to some of RDBMS Security accessible data. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H).

Una vulnerabilidad en el componente RDBMS Security de Oracle Database Server. Las versiones compatibles que están afectadas son 12.2.0.1, 19c y 21c. Una vulnerabilidad explotable fácilmente permite a un atacante con privilegios de DBA con acceso a la red por medio de Oracle Net, comprometer la seguridad del RDBMS. Los ataques con éxito de esta vulnerabilidad pueden resultar en una capacidad no autorizada de causar una suspensión o un bloqueo que se repite con frecuencia (DOS completa) de RDBMS Security, así como el acceso no autorizado de actualización, inserción o eliminación de algunos de los datos accesibles de RDBMS Security. CVSS 3.1 Puntuación Base 5.5 (impactos en la Integridad y la Disponibilidad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H)

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-06-28 CVE Reserved
2021-10-20 CVE Published
2023-05-13 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://www.oracle.com/security-alerts/cpuoct2021.html	2022-07-12

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Oracle Search vendor "Oracle"		Database Search vendor "Oracle" for product "Database"				12.2.0.1 Search vendor "Oracle" for product "Database" and version "12.2.0.1"		-		Affected
Oracle Search vendor "Oracle"		Database Search vendor "Oracle" for product "Database"				19c Search vendor "Oracle" for product "Database" and version "19c"		-		Affected
Oracle Search vendor "Oracle"		Database Search vendor "Oracle" for product "Database"				21c Search vendor "Oracle" for product "Database" and version "21c"		-		Affected