Improper access control in Misskey



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Misskey
Web applications / Modules and components for CMS

Vendor Misskey Development Division

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper access control

EUVDB-ID: #VU84854

Risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions to certain API endpoints. A remote user can bypass implemented security restrictions and read or write non-public content.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Misskey: 2023.9.0 - 2023.12.0

CPE2.3 External links

https://github.com/misskey-dev/misskey/security/advisories/GHSA-7pxq-6xx9-xpgm


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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