Vulnerability identifier: #VU36746

Vulnerability risk: Medium

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-16343

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SeaCMS
Web applications / CMS

Vendor: SeaCMS .Net

Description

The vulnerability allows a remote privileged user to execute arbitrary code.

SeaCMS 6.61 allows remote attackers to execute arbitrary code because parseIf() in include/main.class.php does not block use of $GLOBALS.

Mitigation
Install update from vendor's website.

Vulnerable software versions

SeaCMS: 6.61

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External links
http://zhinianyuxin.postach.io/post/seacms-v6-61-latest-version-backend-rce
http://github.com/cumtxujiabin/CmsPoc/blob/master/Seacms_v6.61_backend_RCE.md

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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