CVE-2021-21511

Severity Score

8.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Dell EMC Avamar Server, versions 19.3 and 19.4 contain an Improper Authorization vulnerability in the web UI. A remote low privileged attacker could potentially exploit this vulnerability, to gain unauthorized read or modification access to other users' backup data.

Dell EMC Avamar Server, versiones 19.3 y 19.4, contienen una vulnerabilidad de Autorización Inapropiada en la Interfaz de Usuario web. Un atacante remoto con pocos privilegios podría aprovechar esta vulnerabilidad para obtener acceso no autorizado de lectura o modificación a los datos de respaldo de otros usuarios

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-04 CVE Reserved
2021-02-15 CVE Published
2024-09-16 CVE Updated
2024-11-02 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-285: Improper Authorization

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.dell.com/support/kbdoc/en-us/000182926/dsa-2021-033-dell-emc-avamar-server-improper-authorization-vulnerability	2022-04-26

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Dell Search vendor "Dell"		Emc Avamar Server Search vendor "Dell" for product "Emc Avamar Server"				19.3 Search vendor "Dell" for product "Emc Avamar Server" and version "19.3"		-		Affected
Dell Search vendor "Dell"		Emc Avamar Server Search vendor "Dell" for product "Emc Avamar Server"				19.4 Search vendor "Dell" for product "Emc Avamar Server" and version "19.4"		-		Affected
Dell Search vendor "Dell"		Emc Integrated Data Protection Appliance Search vendor "Dell" for product "Emc Integrated Data Protection Appliance"				2.6 Search vendor "Dell" for product "Emc Integrated Data Protection Appliance" and version "2.6"		-		Affected