#VU52364 Permissions, Privileges, and Access Controls in Grav Admin Plugin - CVE-2021-29439

Vulnerability identifier: #VU52364

Vulnerability risk: Medium

CVSSv4.0: 6.3 [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:U/U:Green]

CVE-ID: CVE-2021-29439

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Grav Admin Plugin
Web applications / Modules and components for CMS

Vendor: Grav CMS

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 authenticated attacker can install the right plugin and gain elevated privileges on the target system. 

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Grav Admin Plugin: 1.9.13 - 1.10.10

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External links
https://github.com/getgrav/grav-plugin-admin/security/advisories/GHSA-wg37-cf5x-55hq

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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.