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[email protected]CVE-2023-39962

HistoryAug 10, 2023 - 6:15 p.m.

CVE-2023-39962

2023-08-1018:15:10

CWE-284

[email protected]

web.nvd.nist.gov

nextcloud server

data storage

cve-2023-39962

security patch

external storage

cloud platform

vulnerability

nvd

7.7 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

21.4%

JSON

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 19.0.0 and prior to versions 19.0.13.10, 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, a malicious user could delete any personal or global external storage, making them inaccessible for everyone else as well. Nextcloud server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 19.0.13.10, 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. As a workaround, disable app files_external. This also makes the external storage inaccessible but retains the configurations until a patched version has been deployed.

Affected configurations

Vulners

NVD

Node

nextcloudnextcloudRange19.0.0–19.0.13.10

nextcloudnextcloudRange20.0.0–20.0.14.15

nextcloudnextcloudRange21.0.0–21.0.9.13

nextcloudnextcloudRange22.0.0–22.2.10.14

nextcloudnextcloudRange23.0.0–23.0.12.9

nextcloudnextcloudRange24.0.0–24.0.12.5

nextcloudnextcloudRange25.0.0–25.0.9

nextcloudnextcloudRange26.0.0–26.0.4

nextcloudnextcloudRange27.0.0–27.0.1

VendorProductVersionCPE
nextcloudnextcloud*cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:*
nextcloudnextcloud*cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:*
nextcloudnextcloud*cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:*
nextcloudnextcloud*cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:*
nextcloudnextcloud*cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:*
nextcloudnextcloud*cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:*
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::::::::
nextcloud	nextcloud	*	cpe:2.3:a:nextcloud:nextcloud::::::::
nextcloud	nextcloud	*	cpe:2.3:a:nextcloud:nextcloud::::::::
nextcloud	nextcloud	*	cpe:2.3:a:nextcloud:nextcloud::::::::
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": ">= 19.0.0, < 19.0.13.10",
        "status": "affected"
      },
      {
        "version": ">= 20.0.0, < 20.0.14.15",
        "status": "affected"
      },
      {
        "version": ">= 21.0.0, < 21.0.9.13",
        "status": "affected"
      },
      {
        "version": ">= 22.0.0, < 22.2.10.14",
        "status": "affected"
      },
      {
        "version": ">= 23.0.0, < 23.0.12.9",
        "status": "affected"
      },
      {
        "version": ">= 24.0.0, < 24.0.12.5",
        "status": "affected"
      },
      {
        "version": ">= 25.0.0, < 25.0.9",
        "status": "affected"
      },
      {
        "version": ">= 26.0.0, < 26.0.4",
        "status": "affected"
      },
      {
        "version": ">= 27.0.0, < 27.0.1",
        "status": "affected"
      }
    ]
  }
]