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Vulnerability Details :

CVE-2023-25818

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-27 Mar, 2023 | 20:00
Updated At-19 Feb, 2025 | 15:23
Rejected At-
Credits

Missing brute force protection on password reset token in Nextcloud Server

Nextcloud server is an open source, personal cloud implementation. In affected versions a malicious user could try to reset the password of another user and then brute force the 62^21 combinations for the password reset token. As of commit `704eb3aa` password reset attempts are now throttled. Note that 62^21 combinations would significant compute resources to brute force. None the less it is recommended that the Nextcloud Server is upgraded to 24.0.10 or 25.0.4. There are no known workarounds for this vulnerability.

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:27 Mar, 2023 | 20:00
Updated At:19 Feb, 2025 | 15:23
Rejected At:
▼CVE Numbering Authority (CNA)
Missing brute force protection on password reset token in Nextcloud Server

Nextcloud server is an open source, personal cloud implementation. In affected versions a malicious user could try to reset the password of another user and then brute force the 62^21 combinations for the password reset token. As of commit `704eb3aa` password reset attempts are now throttled. Note that 62^21 combinations would significant compute resources to brute force. None the less it is recommended that the Nextcloud Server is upgraded to 24.0.10 or 25.0.4. There are no known workarounds for this vulnerability.

Affected Products
Vendor
Nextcloud GmbHnextcloud
Product
security-advisories
Versions
Affected
  • >= 24.0.0, < 24.0.10
  • >= 25.0.0, < 25.0.4
Problem Types
TypeCWE IDDescription
CWECWE-307CWE-307: Improper Restriction of Excessive Authentication Attempts
Type: CWE
CWE ID: CWE-307
Description: CWE-307: Improper Restriction of Excessive Authentication Attempts
Metrics
VersionBase scoreBase severityVector
3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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
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-v243-x6jc-42mp
x_refsource_CONFIRM
https://github.com/nextcloud/server/pull/36489
x_refsource_MISC
https://github.com/nextcloud/server/pull/36489/commits/704eb3aa6cecc0a646f5cca4290b595f493f9ed3
x_refsource_MISC
Hyperlink: https://github.com/nextcloud/security-advisories/security/advisories/GHSA-v243-x6jc-42mp
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/nextcloud/server/pull/36489
Resource:
x_refsource_MISC
Hyperlink: https://github.com/nextcloud/server/pull/36489/commits/704eb3aa6cecc0a646f5cca4290b595f493f9ed3
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-v243-x6jc-42mp
x_refsource_CONFIRM
x_transferred
https://github.com/nextcloud/server/pull/36489
x_refsource_MISC
x_transferred
https://github.com/nextcloud/server/pull/36489/commits/704eb3aa6cecc0a646f5cca4290b595f493f9ed3
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/nextcloud/security-advisories/security/advisories/GHSA-v243-x6jc-42mp
Resource:
x_refsource_CONFIRM
x_transferred
Hyperlink: https://github.com/nextcloud/server/pull/36489
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/nextcloud/server/pull/36489/commits/704eb3aa6cecc0a646f5cca4290b595f493f9ed3
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:27 Mar, 2023 | 20:15
Updated At:03 Apr, 2023 | 16:55

Nextcloud server is an open source, personal cloud implementation. In affected versions a malicious user could try to reset the password of another user and then brute force the 62^21 combinations for the password reset token. As of commit `704eb3aa` password reset attempts are now throttled. Note that 62^21 combinations would significant compute resources to brute force. None the less it is recommended that the Nextcloud Server is upgraded to 24.0.10 or 25.0.4. There are no known workarounds for this vulnerability.

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
Primary3.17.1HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
Secondary3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Type: Primary
Version: 3.1
Base score: 7.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
Type: Secondary
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
CPE Matches
Nextcloud GmbH
nextcloud
>>nextcloud_server>>Versions from 21.0.0(inclusive) to 21.0.9.10(exclusive)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
Nextcloud GmbH
nextcloud
>>nextcloud_server>>Versions from 22.0.0(inclusive) to 22.2.10.10(exclusive)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
Nextcloud GmbH
nextcloud
>>nextcloud_server>>Versions from 23.0.0(inclusive) to 23.0.12.5(exclusive)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
Nextcloud GmbH
nextcloud
>>nextcloud_server>>Versions from 24.0.0(inclusive) to 24.0.10(exclusive)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*
Nextcloud GmbH
nextcloud
>>nextcloud_server>>Versions from 24.0.0(inclusive) to 24.0.10(exclusive)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
Nextcloud GmbH
nextcloud
>>nextcloud_server>>Versions from 25.0.0(inclusive) to 25.0.4(exclusive)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*
Nextcloud GmbH
nextcloud
>>nextcloud_server>>Versions from 25.0.0(inclusive) to 25.0.4(exclusive)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*
Weaknesses
CWE IDTypeSource
CWE-307Primarynvd@nist.gov
CWE-307Secondarysecurity-advisories@github.com
CWE ID: CWE-307
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-307
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-v243-x6jc-42mpsecurity-advisories@github.com
Vendor Advisory
https://github.com/nextcloud/server/pull/36489security-advisories@github.com
Issue Tracking
https://github.com/nextcloud/server/pull/36489/commits/704eb3aa6cecc0a646f5cca4290b595f493f9ed3security-advisories@github.com
Patch
Hyperlink: https://github.com/nextcloud/security-advisories/security/advisories/GHSA-v243-x6jc-42mp
Source: security-advisories@github.com
Resource:
Vendor Advisory
Hyperlink: https://github.com/nextcloud/server/pull/36489
Source: security-advisories@github.com
Resource:
Issue Tracking
Hyperlink: https://github.com/nextcloud/server/pull/36489/commits/704eb3aa6cecc0a646f5cca4290b595f493f9ed3
Source: security-advisories@github.com
Resource:
Patch

Change History

0
Information is not available yet

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