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[email protected]NVD:CVE-2020-20691

HistorySep 27, 2021 - 10:15 p.m.

CVE-2020-20691

2021-09-2722:15:07

CWE-434

[email protected]

web.nvd.nist.gov

monstra cms v3.0.4

arbitrary web script execution

crafted html file upload

file extension filter bypass

CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:P/A:N

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

44.4%

JSON

An issue in Monstra CMS v3.0.4 allows attackers to execute arbitrary web scripts or HTML via bypassing the file extension filter and uploading crafted HTML files.

Affected configurations

Nvd

Node

monstramonstra_cmsMatch3.0.4

VendorProductVersionCPE
monstramonstra_cms3.0.4cpe:2.3:a:monstra:monstra_cms:3.0.4:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
monstra	monstra_cms	3.0.4	cpe:2.3:a:monstra:monstra_cms:3.0.4:::::::*

References

github.com/monstra-cms/monstra/issues/461

CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:P/A:N

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

44.4%

JSON

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