Vulnerability identifier: #VU24052

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-5840

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
HashBrown CMS
Web applications / CMS

Vendor: hashbrowncms.org

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to improper input validation in "Server/Entity/Resource/Connection.js". A remote attacker can reach a parent directory via a crafted name or ID field.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

HashBrown CMS : 0.6 - 1.3.1

---

External links
http://github.com/HashBrownCMS/hashbrown-cms/compare/v1.3.1...v1.3.2
http://github.com/HashBrownCMS/hashbrown-cms/releases/tag/v1.3.2

---

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.