CVE Vulnerability

CVE-2018-3761

Nextcloud Server before 12.0.8 and 13.0.3 suffer from improper authentication on the OAuth2 token endpoint. Missing checks potentially allowed handing out new tokens in case the OAuth2 client was partly compromised.

5.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

8.1 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://nextcloud.com/security/advisory/?id=nc-sa-2018-003 Vendor Advisory
https://hackerone.com/reports/343111 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:nextcloud:nextcloud_server:13.0.3:*:*:*:*:*:*:*
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
Information

Published : 2018-07-05 04:29

Updated : 2019-10-09 11:40

NVD link : CVE-2018-3761

Mitre link : CVE-2018-3761

Products Affected
No products.
CWE
CWE-287