CVE-2020-8259

Severity Score

8.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Insufficient protection of the server-side encryption keys in Nextcloud Server 19.0.1 allowed an attacker to replace the encryption keys.

Una protección insuficiente de las claves de cifrado del lado del servidor en Nextcloud Server versión 19.0.1, permitió a un atacante reemplazar las claves de cifrado

*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

2020-01-28 CVE Reserved
2020-11-16 CVE Published
2024-03-21 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-522: Insufficiently Protected Credentials

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://hackerone.com/reports/732431	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://nextcloud.com/security/advisory/?id=NC-SA-2020-041	2022-09-27

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				< 20.0.0 Search vendor "Nextcloud" for product "Nextcloud Server" and version " < 20.0.0"		-		Affected