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Vulnerability Details :

CVE-2021-41233

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-10 Mar, 2022 | 20:30
Updated At-23 Apr, 2025 | 18:55
Rejected At-
Credits

Missing authorization in Nextcloud text

Nextcloud text is a collaborative document editing using Markdown built for the nextcloud server. Due to an issue with the Nextcloud Text application, which is by default shipped with Nextcloud Server, an attacker is able to access the folder names of "File Drop". For successful exploitation an attacker requires knowledge of the sharing link. It is recommended that users upgrade their Nextcloud Server to 20.0.14, 21.0.6 or 22.2.1. Users unable to upgrade should disable the Nextcloud Text application in the application settings.

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)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:10 Mar, 2022 | 20:30
Updated At:23 Apr, 2025 | 18:55
Rejected At:
▼CVE Numbering Authority (CNA)
Missing authorization in Nextcloud text

Nextcloud text is a collaborative document editing using Markdown built for the nextcloud server. Due to an issue with the Nextcloud Text application, which is by default shipped with Nextcloud Server, an attacker is able to access the folder names of "File Drop". For successful exploitation an attacker requires knowledge of the sharing link. It is recommended that users upgrade their Nextcloud Server to 20.0.14, 21.0.6 or 22.2.1. Users unable to upgrade should disable the Nextcloud Text application in the application settings.

Affected Products
Vendor
Nextcloud GmbHnextcloud
Product
security-advisories
Versions
Affected
  • < 20.0.14
  • >= 21.0.0, < 21.0.6
  • >= 22.0.0, < 22.2.1
Problem Types
TypeCWE IDDescription
CWECWE-862CWE-862: Missing Authorization
Type: CWE
CWE ID: CWE-862
Description: CWE-862: Missing Authorization
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-26c8-35cm-xq9m
x_refsource_CONFIRM
https://github.com/nextcloud/text/pull/1884
x_refsource_MISC
Hyperlink: https://github.com/nextcloud/security-advisories/security/advisories/GHSA-26c8-35cm-xq9m
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/nextcloud/text/pull/1884
Resource:
x_refsource_MISC
▼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://github.com/nextcloud/security-advisories/security/advisories/GHSA-26c8-35cm-xq9m
x_refsource_CONFIRM
x_transferred
https://github.com/nextcloud/text/pull/1884
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/nextcloud/security-advisories/security/advisories/GHSA-26c8-35cm-xq9m
Resource:
x_refsource_CONFIRM
x_transferred
Hyperlink: https://github.com/nextcloud/text/pull/1884
Resource:
x_refsource_MISC
x_transferred
2. CISA ADP Vulnrichment
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
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:10 Mar, 2022 | 21:15
Updated At:27 Sep, 2022 | 15:42

Nextcloud text is a collaborative document editing using Markdown built for the nextcloud server. Due to an issue with the Nextcloud Text application, which is by default shipped with Nextcloud Server, an attacker is able to access the folder names of "File Drop". For successful exploitation an attacker requires knowledge of the sharing link. It is recommended that users upgrade their Nextcloud Server to 20.0.14, 21.0.6 or 22.2.1. Users unable to upgrade should disable the Nextcloud Text application in the application settings.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Secondary3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Primary2.04.3MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N
Type: Primary
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Type: Secondary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Type: Primary
Version: 2.0
Base score: 4.3
Base severity: MEDIUM
Vector:
AV:N/AC:M/Au:N/C:P/I:N/A:N
CPE Matches
Nextcloud GmbH
nextcloud
>>nextcloud_server>>Versions before 20.0.14(exclusive)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
Nextcloud GmbH
nextcloud
>>nextcloud_server>>Versions from 21.0.0(inclusive) to 21.0.6(exclusive)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
Nextcloud GmbH
nextcloud
>>nextcloud_server>>Versions from 22.2.0(inclusive) to 22.2.1(exclusive)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-863Primarynvd@nist.gov
CWE-862Secondarysecurity-advisories@github.com
CWE ID: CWE-863
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-862
Type: Secondary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-26c8-35cm-xq9msecurity-advisories@github.com
Third Party Advisory
https://github.com/nextcloud/text/pull/1884security-advisories@github.com
Patch
Third Party Advisory
Hyperlink: https://github.com/nextcloud/security-advisories/security/advisories/GHSA-26c8-35cm-xq9m
Source: security-advisories@github.com
Resource:
Third Party Advisory
Hyperlink: https://github.com/nextcloud/text/pull/1884
Source: security-advisories@github.com
Resource:
Patch
Third Party Advisory

Change History

0
Information is not available yet

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