CVE-2022-41970 Nextcloud Server's disabled download shares still allow download through preview images

2022-12-0120:54:37

CWE-284

CWE-863

GitHub_M

www.cve.org

nextcloud server

download shares

vulnerability

fixed

versions

CVSS3

2.6

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.001

Percentile

30.9%

JSON

Nextcloud Server is an open source personal cloud server. Prior to versions 24.0.7 and 25.0.1, disabled download shares still allow download through preview images. Images could be downloaded and previews of documents (first page) can be downloaded without being watermarked. Versions 24.0.7 and 25.0.1 contain a fix for this issue. No known workarounds are available.

CNA Affected

[
  {
    "vendor": "nextcloud",
    "product": "security-advisories",
    "versions": [
      {
        "version": "< 24.0.7",
        "status": "affected"
      },
      {
        "version": ">= 25.0.0, < 25.0.1",
        "status": "affected"
      }
    ]
  }
]