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[email protected]CVE-2019-15621

HistoryFeb 04, 2020 - 8:15 p.m.

CVE-2019-15621

2020-02-0420:15:12

CWE-281

[email protected]

web.nvd.nist.gov

113

cve-2019-15621

nextcloud server

improper permissions

reshare

write permissions

nvd

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:N/I:P/A:N

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

6.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

50.6%

JSON

Improper permissions preservation in Nextcloud Server 16.0.1 causes sharees to be able to reshare with write permissions when sharing the mount point of a share they received, as a public link.

Affected configurations

NVD

Node

nextcloudnextcloud_serverRange<14.0.13

nextcloudnextcloud_serverRange15.0.0–15.0.9

nextcloudnextcloud_serverRange16.0.0–16.0.2

CPENameOperatorVersion
nextcloud:nextcloud_servernextcloud nextcloud serverlt14.0.13
nextcloud:nextcloud_servernextcloud nextcloud serverlt15.0.9
nextcloud:nextcloud_servernextcloud nextcloud serverlt16.0.2

CPE	Name	Operator	Version
nextcloud:nextcloud_server	nextcloud nextcloud server	lt	14.0.13
nextcloud:nextcloud_server	nextcloud nextcloud server	lt	15.0.9
nextcloud:nextcloud_server	nextcloud nextcloud server	lt	16.0.2

CNA Affected

[
  {
    "product": "Nextcloud Server",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "16.0.2"
      }
    ]
  }
]