This security advisory describes one high risk vulnerability.
1) Arbitrary file upload
Severity: High
CVSSv3: 9.3 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C] [PCI]
CVE-ID: CVE-2020-13241
CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type
Exploit availability: Yes [Search exploit]
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload within the "admin/view:modules/load_module:users#edit-user=1". A remote attacker can upload a malicious file and execute it on the server.
Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versions
Microweber: 1.1.18
CPE
External links
https://gist.github.com/virendratiwari03/0af29841fdf27207eb3abc8f28d326f3
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. However, proof of concept for this vulnerability is available.
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