CVE-2023-45151 OAuth2 client_secret stored in plain text in the Nextcloud database

2023-10-1618:41:28

CWE-312

GitHub_M

www.cve.org

oauth2

plaintext

nextcloud

database

security upgrade

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

AI Score

8.9

Confidence

High

EPSS

0.001

Percentile

33.8%

JSON

Nextcloud server is an open source home cloud platform. Affected versions of Nextcloud stored OAuth2 tokens in plaintext which allows an attacker who has gained access to the server to potentially elevate their privilege. This issue has been addressed and users are recommended to upgrade their Nextcloud Server to version 25.0.8, 26.0.3 or 27.0.1. There are no known workarounds for this vulnerability.

CNA Affected

[
  {
    "vendor": "nextcloud",
    "product": "security-advisories",
    "versions": [
      {
        "version": ">= 25.0.0, < 25.0.8",
        "status": "affected"
      },
      {
        "version": ">= 26.0.0, < 26.0.3",
        "status": "affected"
      },
      {
        "version": ">= 27.0.0, < 27.0.1",
        "status": "affected"
      }
    ]
  }
]