#VU48708 Permissions, Privileges, and Access Controls in October CMS - CVE-2020-15248

Vulnerability identifier: #VU48708

Vulnerability risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-15248

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
October CMS
Web applications / CMS

Vendor: OctoberCMS

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions. A remote user with "Publisher" access can escalate their permission to "Developer" access. 

Mitigation
Install updates from vendor's website.

Vulnerable software versions

October CMS: 1.0.319 - 1.0.469

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External links
https://github.com/octobercms/october/commit/78a37298a4ed4602b383522344a31e311402d829
https://github.com/octobercms/october/security/advisories/GHSA-rfjc-xrmf-5vvw

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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.