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Vulnerability Details :

CVE-2025-56449

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-29 Sep, 2025 | 00:00
Updated At-28 Oct, 2025 | 20:24
Rejected At-
Credits

A security vulnerability was identified in Obsidian Scheduler's REST API 5.0.0 thru 6.3.0. If an account is locked out due to not enrolling in MFA (e.g. after the 7-day enforcement window), the REST API still allows the use of Basic Authentication to authenticate and perform administrative actions. In particular, the default admin account was found to be locked out via the web interface but still usable through the REST API. This allowed creation of a new privileged user, bypassing MFA protections. This undermines the intended security posture of MFA enforcement.

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:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:29 Sep, 2025 | 00:00
Updated At:28 Oct, 2025 | 20:24
Rejected At:
▼CVE Numbering Authority (CNA)

A security vulnerability was identified in Obsidian Scheduler's REST API 5.0.0 thru 6.3.0. If an account is locked out due to not enrolling in MFA (e.g. after the 7-day enforcement window), the REST API still allows the use of Basic Authentication to authenticate and perform administrative actions. In particular, the default admin account was found to be locked out via the web interface but still usable through the REST API. This allowed creation of a new privileged user, bypassing MFA protections. This undermines the intended security posture of MFA enforcement.

Affected Products
Vendor
n/a
Product
n/a
Versions
Affected
  • n/a
Problem Types
TypeCWE IDDescription
textN/An/a
Type: text
CWE ID: N/A
Description: n/a
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://blog.gregscharf.com/2025/07/11/upcoming-vulnerability-advisory/
N/A
https://blog.gregscharf.com/2025/07/31/obsidian-scheduler-access-control-vulnerability/
N/A
https://wiki.obsidianscheduler.com/docs/Release_Notes#Obsidian_6.3.1
N/A
Hyperlink: https://blog.gregscharf.com/2025/07/11/upcoming-vulnerability-advisory/
Resource: N/A
Hyperlink: https://blog.gregscharf.com/2025/07/31/obsidian-scheduler-access-control-vulnerability/
Resource: N/A
Hyperlink: https://wiki.obsidianscheduler.com/docs/Release_Notes#Obsidian_6.3.1
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-290CWE-290 Authentication Bypass by Spoofing
Type: CWE
CWE ID: CWE-290
Description: CWE-290 Authentication Bypass by Spoofing
Metrics
VersionBase scoreBase severityVector
3.18.2HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Version: 3.1
Base score: 8.2
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
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:cve@mitre.org
Published At:29 Sep, 2025 | 15:16
Updated At:28 Oct, 2025 | 21:15

A security vulnerability was identified in Obsidian Scheduler's REST API 5.0.0 thru 6.3.0. If an account is locked out due to not enrolling in MFA (e.g. after the 7-day enforcement window), the REST API still allows the use of Basic Authentication to authenticate and perform administrative actions. In particular, the default admin account was found to be locked out via the web interface but still usable through the REST API. This allowed creation of a new privileged user, bypassing MFA protections. This undermines the intended security posture of MFA enforcement.

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
Secondary3.18.2HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Type: Secondary
Version: 3.1
Base score: 8.2
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-290Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-290
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://blog.gregscharf.com/2025/07/11/upcoming-vulnerability-advisory/cve@mitre.org
N/A
https://blog.gregscharf.com/2025/07/31/obsidian-scheduler-access-control-vulnerability/cve@mitre.org
N/A
https://wiki.obsidianscheduler.com/docs/Release_Notes#Obsidian_6.3.1cve@mitre.org
N/A
Hyperlink: https://blog.gregscharf.com/2025/07/11/upcoming-vulnerability-advisory/
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://blog.gregscharf.com/2025/07/31/obsidian-scheduler-access-control-vulnerability/
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://wiki.obsidianscheduler.com/docs/Release_Notes#Obsidian_6.3.1
Source: cve@mitre.org
Resource: N/A

Change History

0
Information is not available yet

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