#VU87935 Authorization bypass through user-controlled key in memos - CVE-2022-4806

Vulnerability identifier: #VU87935

Vulnerability risk:

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

CVE-ID: CVE-2022-4806

CWE-ID: CWE-639

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
memos
Web applications / Modules and components for CMS

Vendor: memos

Description

The vulnerability allows a remote user to bypass implemented security restrictions.

The vulnerability exists due to authorization bypass through user-controlled key. A remote user can bypass implemented security restrictions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

memos: 0.0.1 - 0.9.0

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External links
https://github.com/usememos/memos/commit/3556ae4e651d9443dc3bb8a170dd3cc726517a53
https://huntr.dev/bounties/2c7101bc-e6d8-4cd0-9003-bc8d86f4e4be

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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