CVE-2023-28847

2023-04-2517:15:08

CWE-307

[email protected]

web.nvd.nist.gov

nextcloud

nextcloud server

nextcloud cve

nextcloud security

file server

password verification

brute force attack

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

54.2%

JSON

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. In Nextcloud Server 24.0.0 prior to 24.0.11 and 25.0.0 prior to 25.0.5; as well as Nextcloud Server Enterprise 23.0.0 prior to 23.0.12.6, 24.0.0 prior to 24.0.11, and 25.0.0 prior to 25.0.5; an attacker is not restricted in verifying passwords of share links so they can just start brute forcing the password. Nextcloud Server 24.0.11 and 25.0.5 and Nextcloud Enterprise Server 23.0.12.6, 24.0.11, and 25.0.5 contain a fix for this issue. No known workarounds are available.

Affected configurations

Vulners

NVD

Node

nextcloudnextcloudRange23.0.0–23.0.12.6

nextcloudnextcloudRange24.0.0–24.0.11

nextcloudnextcloudRange25.0.0–25.0.5

VendorProductVersionCPE
nextcloudnextcloud*cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:*
nextcloudnextcloud*cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:*
nextcloudnextcloud*cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
nextcloud	nextcloud	*	cpe:2.3:a:nextcloud:nextcloud::::::::
nextcloud	nextcloud	*	cpe:2.3:a:nextcloud:nextcloud::::::::
nextcloud	nextcloud	*	cpe:2.3:a:nextcloud:nextcloud::::::::

CNA Affected

[
  {
    "vendor": "nextcloud",
    "product": "security-advisories",
    "versions": [
      {
        "version": " >= 23.0.0, < 23.0.12.6",
        "status": "affected"
      },
      {
        "version": ">= 24.0.0, < 24.0.11",
        "status": "affected"
      },
      {
        "version": ">= 25.0.0, < 25.0.5",
        "status": "affected"
      }
    ]
  }
]