Vulnerability identifier: #VU72664

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2023-1046

CWE-ID: CWE-918

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MuYuCMS
Web applications / CMS

Vendor: MuYuCMS

Description

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input in the /admin.php/update/getFile.html script. A remote user can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

MuYuCMS: 2.2

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External links
http://vuldb.com/?ctiid.221805
http://vuldb.com/?id.221805
http://github.com/MuYuCMS/MuYuCMS/issues/7

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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.