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[email protected]CVE-2020-5811

HistoryDec 30, 2020 - 4:15 p.m.

CVE-2020-5811

2020-12-3016:15:12

CWE-22

[email protected]

web.nvd.nist.gov

cve-2020-5811

authenticated

path traversal

umbraco cms

vulnerability

arbitrary file write

nvd

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

6.4 Medium

AI Score

Confidence

High

4 Medium

CVSS2

Access Vector

Access Complexity

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.004 Low

EPSS

Percentile

73.1%

JSON

An authenticated path traversal vulnerability exists during package installation in Umbraco CMS <= 8.9.1 or current, which could result in arbitrary files being written outside of the site home and expected paths when installing an Umbraco package.

Affected configurations

NVD

Node

umbracoumbraco_cmsRange≤8.9.1

CPENameOperatorVersion
umbraco:umbraco_cmsumbraco umbraco cmsle8.9.1

CPE	Name	Operator	Version
umbraco:umbraco_cms	umbraco umbraco cms	le	8.9.1

CNA Affected

[
  {
    "product": "Umbraco CMS",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "<= 8.9.1 or current (unfixed)"
      }
    ]
  }
]