#VU11664 Improper input validation - CVE-2018-7777

Vulnerability identifier: #VU11664

Vulnerability risk: High

CVSSv4.0: 7.4 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2018-7777

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:

Vendor:

Description
The vulnerability allows a remote authenticated attacker to execute arbitrary code on the target system.

The weakness exists due to insufficient handling of update_file request parameter on update_module.php. A remote attacker can send a specially crafted request to the target server and execute arbitrary code.

Mitigation
Install update from vendor's website.

Vulnerable software versions

: All versions

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External links
https://download.schneider-electric.com/files?p_enDocType=Technical+leaflet&p_File_Id=960747...

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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. However, proof of concept for this vulnerability is available.