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Vulnerability Details :

CVE-2020-13671

Summary
Assigner-drupal
Assigner Org ID-2c85b837-eb8b-40ed-9d74-228c62987387
Published At-20 Nov, 2020 | 15:40
Updated At-30 Jul, 2025 | 01:45
Rejected At-
Credits

Drupal core Un-restricted Upload of File

Improper sanitization in the extension file names is present in Drupal core.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Known Exploited Vulnerabilities (KEV)
cisa.gov
Vendor:
The Drupal AssociationDrupal
Product:Drupal core
Added At:18 Jan, 2022
Due At:18 Jul, 2022

Drupal core Un-restricted Upload of File

Improper sanitization in the extension file names is present in Drupal core.

Used in Ransomware

:

Unknown

CWE

:
CWE-434

Required Action:

Apply updates per vendor instructions.

Additional Notes:

https://nvd.nist.gov/vuln/detail/CVE-2020-13671
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:drupal
Assigner Org ID:2c85b837-eb8b-40ed-9d74-228c62987387
Published At:20 Nov, 2020 | 15:40
Updated At:30 Jul, 2025 | 01:45
Rejected At:
▼CVE Numbering Authority (CNA)

Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations. This issue affects: Drupal Drupal Core 9.0 versions prior to 9.0.8, 8.9 versions prior to 8.9.9, 8.8 versions prior to 8.8.11, and 7 versions prior to 7.74.

Affected Products
Vendor
The Drupal AssociationDrupal
Product
Drupal Core
Versions
Affected
  • 9.0 versions prior to 9.0.8
  • 8.9 versions prior to 8.9.9
  • 8.8 versions prior to 8.8.11
  • 7 versions prior to 7.74
Problem Types
TypeCWE IDDescription
textN/ARemote code execution
Type: text
CWE ID: N/A
Description: Remote code execution
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.drupal.org/sa-core-2020-012
x_refsource_CONFIRM
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/
vendor-advisory
x_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/
vendor-advisory
x_refsource_FEDORA
Hyperlink: https://www.drupal.org/sa-core-2020-012
Resource:
x_refsource_CONFIRM
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/
Resource:
vendor-advisory
x_refsource_FEDORA
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/
Resource:
vendor-advisory
x_refsource_FEDORA
▼Authorized Data Publishers (ADP)
1. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.drupal.org/sa-core-2020-012
x_refsource_CONFIRM
x_transferred
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/
vendor-advisory
x_refsource_FEDORA
x_transferred
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/
vendor-advisory
x_refsource_FEDORA
x_transferred
Hyperlink: https://www.drupal.org/sa-core-2020-012
Resource:
x_refsource_CONFIRM
x_transferred
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/
Resource:
vendor-advisory
x_refsource_FEDORA
x_transferred
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/
Resource:
vendor-advisory
x_refsource_FEDORA
x_transferred
2. CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-434CWE-434 Unrestricted Upload of File with Dangerous Type
Type: CWE
CWE ID: CWE-434
Description: CWE-434 Unrestricted Upload of File with Dangerous Type
Metrics
VersionBase scoreBase severityVector
3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
kev
dateAdded:
2022-01-18
reference:
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-13671
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
CVE-2020-13671 added to CISA KEV2022-01-18 00:00:00
Event: CVE-2020-13671 added to CISA KEV
Date: 2022-01-18 00:00:00
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:mlhess@drupal.org
Published At:20 Nov, 2020 | 16:15
Updated At:14 Mar, 2025 | 20:50

Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations. This issue affects: Drupal Drupal Core 9.0 versions prior to 9.0.8, 8.9 versions prior to 8.9.9, 8.8 versions prior to 8.8.11, and 7 versions prior to 7.74.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
2022-01-182022-07-18Drupal core Un-restricted Upload of FileApply updates per vendor instructions.
Date Added: 2022-01-18
Due Date: 2022-07-18
Vulnerability Name: Drupal core Un-restricted Upload of File
Required Action: Apply updates per vendor instructions.
Metrics
TypeVersionBase scoreBase severityVector
Primary3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Secondary3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary2.06.5MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:P
Type: Primary
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 6.5
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:S/C:P/I:P/A:P
CPE Matches
The Drupal Association
drupal
>>drupal>>Versions from 7.0(inclusive) to 7.74(exclusive)
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
The Drupal Association
drupal
>>drupal>>Versions from 8.8(inclusive) to 8.8.11(exclusive)
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
The Drupal Association
drupal
>>drupal>>Versions from 8.9(inclusive) to 8.9.9(exclusive)
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
The Drupal Association
drupal
>>drupal>>Versions from 9.0(inclusive) to 9.0.8(exclusive)
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
Fedora Project
fedoraproject
>>fedora>>32
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
Fedora Project
fedoraproject
>>fedora>>33
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-434Primarynvd@nist.gov
CWE-434Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-434
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-434
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/mlhess@drupal.org
Mailing List
Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/mlhess@drupal.org
Mailing List
Release Notes
https://www.drupal.org/sa-core-2020-012mlhess@drupal.org
Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/af854a3a-2127-422b-91ae-364da2661108
Mailing List
Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/af854a3a-2127-422b-91ae-364da2661108
Mailing List
Release Notes
https://www.drupal.org/sa-core-2020-012af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/
Source: mlhess@drupal.org
Resource:
Mailing List
Release Notes
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/
Source: mlhess@drupal.org
Resource:
Mailing List
Release Notes
Hyperlink: https://www.drupal.org/sa-core-2020-012
Source: mlhess@drupal.org
Resource:
Vendor Advisory
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Mailing List
Release Notes
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Mailing List
Release Notes
Hyperlink: https://www.drupal.org/sa-core-2020-012
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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