CVE-2021-41821

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Wazuh Manager in Wazuh through 4.1.5 is affected by a remote Integer Underflow vulnerability that might lead to denial of service. A crafted message must be sent from an authenticated agent to the manager.

Wazuh Manager en Wazuh versiones hasta 4.1.5, está afectado por una vulnerabilidad de Desbordamiento de Enteros remota que podría conllevar a una denegación de servicio. Un mensaje diseñado debe ser enviado desde un agente autenticado al administrador

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-09-29 CVE Reserved
2021-09-29 CVE Published
2023-04-22 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-191: Integer Underflow (Wrap or Wraparound)

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://github.com/wazuh/wazuh/issues/9201	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://documentation.wazuh.com/current/release-notes/release_4_2_0.html	2021-10-12

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Wazuh Search vendor "Wazuh"		Wazuh Search vendor "Wazuh" for product "Wazuh"				<= 4.1.5 Search vendor "Wazuh" for product "Wazuh" and version " <= 4.1.5"		-		Affected