2020-21131 | MetInfo sql injection

By Max On Jul 15, 2021

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6.1	$0-$5k	0.19

A vulnerability, which was classified as critical, has been found in MetInfo 7.0.0beta (Content Management System). This issue affects an unknown function of the file admin/?n=language&c=language_web&a=doAddLanguage. The manipulation with an unknown input leads to a sql injection vulnerability. Using CWE to declare the problem leads to CWE-89. Impacted is confidentiality, integrity, and availability. An attacker might be able inject and/or alter existing SQL statements which would influence the database exchange. The summary by CVE is:

SQL Injection vulnerability in MetInfo 7.0.0beta via admin/?n=language&c=language_web&a=doAddLanguage.

The weakness was presented 07/12/2021. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2020-21131 since 08/13/2020. The exploitation is known to be easy. The attack needs to approached within the local network. The successful exploitation requires a simple authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/15/2021).

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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