Remote code execution in SilverStripe recipe-core

Published: 2020-07-23
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-9309
Exploitation vector Network
Public exploit N/A
Vulnerable software
SilverStripe recipe-core
Web applications / Modules and components for CMS

SilverStripe mimevalidator
Web applications / Modules and components for CMS

Vendor SilverStripe

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Code Injection

EUVDB-ID: #VU31782

Risk: Medium

CVSSv3.1: 7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-9309

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in protected files with MIME spoofing content. A remote authenticated attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Install updates from vendor's website.

Vulnerable software versions

SilverStripe recipe-core: 4.0.0 - 4.5.2

SilverStripe mimevalidator: before 2.0.0

CPE2.3 External links

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.