CVE-2021-2356

mysql: Server: Replication unspecified vulnerability (CPU Jul 2021)

Severity Score

5.9

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are 5.7.34 and prior and 8.0.25 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 5.9 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H).

Una vulnerabilidad en el producto MySQL Server de Oracle MySQL (componente: Server: Replication). Las versiones compatibles que están afectadas son 5.7.34 y anteriores y 8.0.25 y anteriores. Una vulnerabilidad difícil de explotar permite a un atacante poco privilegiado con acceso a la red por medio de múltiples protocolos, comprometer a MySQL Server. Los ataques con éxito de esta vulnerabilidad pueden resultar en una habilidad no autorizada para causar una suspensión o bloqueo repetible frecuentemente (DOS completa) de MySQL Server, así como en una actualización, inserción o eliminación no autorizadas de acceso a algunos de los datos accesibles de MySQL Server. CVSS 3.1 Puntuación Base 5.9 (Impactos en la Integridad y la Disponibilidad). Vector CVSS: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H)

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2020-12-09 CVE Reserved
2021-07-20 CVE Published
2023-11-08 EPSS Updated
2024-09-26 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (6)

URL	Tag	Source
https://security.netapp.com/advisory/ntap-20210723-0001	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://www.oracle.com/security-alerts/cpujul2021.html	2023-11-07

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6OO2Q5PIFURXLLKCIJE6XF6VL4LLMNO5	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OPJAGVMRKODR4QIXQSVEM4BLRZUM7P3R	2023-11-07
https://access.redhat.com/security/cve/CVE-2021-2356	2021-10-12
https://bugzilla.redhat.com/show_bug.cgi?id=1992299	2021-10-12

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Oracle Search vendor "Oracle"		Mysql Search vendor "Oracle" for product "Mysql"				>= 5.0.0 <= 5.7.34 Search vendor "Oracle" for product "Mysql" and version " >= 5.0.0 <= 5.7.34"		-		Affected
Oracle Search vendor "Oracle"		Mysql Search vendor "Oracle" for product "Mysql"				>= 8.0.0 <= 8.0.25 Search vendor "Oracle" for product "Mysql" and version " >= 8.0.0 <= 8.0.25"		-		Affected
Netapp Search vendor "Netapp"		Oncommand Insight Search vendor "Netapp" for product "Oncommand Insight"				-		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				33 Search vendor "Fedoraproject" for product "Fedora" and version "33"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				34 Search vendor "Fedoraproject" for product "Fedora" and version "34"		-		Affected