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HackeroneCVE-2020-8227

HistoryAug 21, 2020 - 9:15 p.m.

CVE-2020-8227

2020-08-2121:15:11

CWE-22

hackerone

web.nvd.nist.gov

nextcloud

desktop client

cve-2020-8227

linux

security

vulnerability

nvd

CVSS2

7.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:H/Au:S/C:C/I:C/A:C

CVSS3

6.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.4

Confidence

High

EPSS

0.013

Percentile

85.8%

JSON

Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for Linux allowed a malicious Nextcloud Server to store files outside of the dedicated sync directory.

Affected configurations

Nvd

Vulners

Node

nextclouddesktopRange<2.6.5

AND

linuxlinux_kernelMatch-

VendorProductVersionCPE
nextclouddesktop*cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*
linuxlinux_kernel-cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
nextcloud	desktop	*	cpe:2.3:a:nextcloud:desktop::::::::
linux	linux_kernel	-	cpe:2.3:o:linux:linux_kernel:-:::::::*

CNA Affected

[
  {
    "product": "Desktop Client",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "2.6.5"
      }
    ]
  }
]