CVE-2020-28645

Severity Score

9.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Deleting users with certain names caused system files to be deleted. Risk is higher for systems which allow users to register themselves and have the data directory in the web root. This affects ownCloud/core versions < 10.6.

Una eliminación de usuarios con determinados nombres causó la eliminación de archivos del sistema. El riesgo es mayor para los sistemas que permiten a usuarios registrarse y tener el directorio de datos en la root web. Esto afecta a versiones de ownCloud/core versiones anteriores a 10.6

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-11-16 CVE Reserved
2021-02-09 CVE Published
2023-10-26 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://owncloud.com/security-advisories/missing-user-validation-leading-to-information-disclosure	2021-02-16

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Owncloud Search vendor "Owncloud"		Owncloud Search vendor "Owncloud" for product "Owncloud"				< 10.6.0 Search vendor "Owncloud" for product "Owncloud" and version " < 10.6.0"		-		Affected