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cveTenableCVE-2020-5811
HistoryDec 30, 2020 - 4:15 p.m.

CVE-2020-5811

2020-12-3016:15:12
CWE-22
tenable
web.nvd.nist.gov
101
2
cve-2020-5811
authenticated
path traversal
umbraco cms
vulnerability
arbitrary file write
nvd

CVSS2

4

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

CVSS3

6.5

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

AI Score

6.4

Confidence

High

EPSS

0.004

Percentile

75.4%

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_cmsRange8.9.1
VendorProductVersionCPE
umbracoumbraco_cms*cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:*

CNA Affected

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

Social References

More

CVSS2

4

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

CVSS3

6.5

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

AI Score

6.4

Confidence

High

EPSS

0.004

Percentile

75.4%