Chevere Chevereto up to 3.13.4 POST code injection

Summaryinfo

A vulnerability, which was classified as critical, has been found in Chevere Chevereto up to 3.13.4. This impacts an unknown function of the component POST Handler. The manipulation leads to code injection. This vulnerability is listed as CVE-2020-37186. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Chevere Chevereto up to 3.13.4. It has been rated as critical. This issue affects an unknown functionality of the component POST Handler. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Chevereto 3.13.4 Core contains a remote code execution vulnerability that allows attackers to inject malicious code during database configuration installation. Attackers can manipulate the database table prefix parameter to write a PHP shell file and execute arbitrary system commands through a crafted POST request.

The weakness was presented by Jinny Ramsmark as 47903. It is possible to read the advisory at exploit-db.com. The identification of this vulnerability is CVE-2020-37186 since 02/10/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/11/2026). The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Chevere

Name

• Chevereto

Version

• 3.13.0
• 3.13.1
• 3.13.2
• 3.13.3
• 3.13.4

CPE 2.3info

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CPE 2.2info

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