Vulnerability identifier: #VU25846

Vulnerability risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-8866

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Horde Form
Web applications / Modules and components for CMS

Vendor: Horde Project

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient processing of file uploads in "add.php" script. A remote authenticated user can upload and execute arbitrary file on the server.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Horde Form: 2.0.0 - 2.0.19

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External links
http://www.zerodayinitiative.com/advisories/ZDI-20-275/
http://lists.horde.org/archives/announce/2020/001288.html

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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.