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Vulnerability Details :

CVE-2023-25821

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-24 Feb, 2023 | 23:39
Updated At-10 Mar, 2025 | 21:05
Rejected At-
Credits

Nextcloud download permissions can be changed by resharer

Nextcloud is an Open Source private cloud software. Versions 24.0.4 and above, prior to 24.0.7, and 25.0.0 and above, prior to 25.0.1, contain Improper Access Control. Secure view for internal shares can be circumvented if reshare permissions are also given. This issue is patched in versions 24.0.7 and 25.0.1. No workaround is available.

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:24 Feb, 2023 | 23:39
Updated At:10 Mar, 2025 | 21:05
Rejected At:
▼CVE Numbering Authority (CNA)
Nextcloud download permissions can be changed by resharer

Nextcloud is an Open Source private cloud software. Versions 24.0.4 and above, prior to 24.0.7, and 25.0.0 and above, prior to 25.0.1, contain Improper Access Control. Secure view for internal shares can be circumvented if reshare permissions are also given. This issue is patched in versions 24.0.7 and 25.0.1. No workaround is available.

Affected Products
Vendor
Nextcloud GmbHnextcloud
Product
security-advisories
Versions
Affected
  • >= 24.0.4, < 24.0.7
  • >= 25.0.0, < 25.0.1
Problem Types
TypeCWE IDDescription
CWECWE-284CWE-284: Improper Access Control
Type: CWE
CWE ID: CWE-284
Description: CWE-284: Improper Access Control
Metrics
VersionBase scoreBase severityVector
3.15.7MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Version: 3.1
Base score: 5.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/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-7w6h-5qgw-4j94
x_refsource_CONFIRM
https://github.com/nextcloud/server/pull/34502
x_refsource_MISC
https://hackerone.com/reports/1724016
x_refsource_MISC
Hyperlink: https://github.com/nextcloud/security-advisories/security/advisories/GHSA-7w6h-5qgw-4j94
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/nextcloud/server/pull/34502
Resource:
x_refsource_MISC
Hyperlink: https://hackerone.com/reports/1724016
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-7w6h-5qgw-4j94
x_refsource_CONFIRM
x_transferred
https://github.com/nextcloud/server/pull/34502
x_refsource_MISC
x_transferred
https://hackerone.com/reports/1724016
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/nextcloud/security-advisories/security/advisories/GHSA-7w6h-5qgw-4j94
Resource:
x_refsource_CONFIRM
x_transferred
Hyperlink: https://github.com/nextcloud/server/pull/34502
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://hackerone.com/reports/1724016
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:25 Feb, 2023 | 00:15
Updated At:07 Nov, 2023 | 04:09

Nextcloud is an Open Source private cloud software. Versions 24.0.4 and above, prior to 24.0.7, and 25.0.0 and above, prior to 25.0.1, contain Improper Access Control. Secure view for internal shares can be circumvented if reshare permissions are also given. This issue is patched in versions 24.0.7 and 25.0.1. No workaround is available.

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
Primary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Secondary3.15.7MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Type: Primary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Type: Secondary
Version: 3.1
Base score: 5.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
CPE Matches
Nextcloud GmbH
nextcloud
>>nextcloud_server>>Versions from 24.0.4(inclusive) to 24.0.7(exclusive)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
Nextcloud GmbH
nextcloud
>>nextcloud_server>>Versions from 24.0.4(inclusive) to 24.0.7(exclusive)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
Nextcloud GmbH
nextcloud
>>nextcloud_server>>25.0.0
cpe:2.3:a:nextcloud:nextcloud_server:25.0.0:*:*:*:*:*:*:*
Nextcloud GmbH
nextcloud
>>nextcloud_server>>25.0.0
cpe:2.3:a:nextcloud:nextcloud_server:25.0.0:*:*:*:enterprise:*:*:*
Weaknesses
CWE IDTypeSource
NVD-CWE-OtherPrimarynvd@nist.gov
CWE-284Secondarysecurity-advisories@github.com
CWE ID: NVD-CWE-Other
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-284
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-7w6h-5qgw-4j94security-advisories@github.com
Vendor Advisory
https://github.com/nextcloud/server/pull/34502security-advisories@github.com
Patch
https://hackerone.com/reports/1724016security-advisories@github.com
Exploit
Third Party Advisory
Hyperlink: https://github.com/nextcloud/security-advisories/security/advisories/GHSA-7w6h-5qgw-4j94
Source: security-advisories@github.com
Resource:
Vendor Advisory
Hyperlink: https://github.com/nextcloud/server/pull/34502
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://hackerone.com/reports/1724016
Source: security-advisories@github.com
Resource:
Exploit
Third Party Advisory

Change History

0
Information is not available yet

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