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HIGH

CVE-2021-36766

CVSS v3

7.2

HIGH

Score EPSS

1.5 %

probabilité d’exploitation

CISA KEV

Non

exploitation connue

Exploitation

statut SSVC

Description

Concrete5 through 8.5.5 deserializes Untrusted Data. The vulnerable code is located within the controllers/single_page/dashboard/system/environment/logging.php Logging::update_logging() method. User input passed through the logFile request parameter is not properly sanitized before being used in a call to the file_exists() PHP function. This can be exploited by malicious users to inject arbitrary PHP objects into the application scope (PHP Object Injection via phar:// stream wrapper), allowing them to carry out a variety of attacks, such as executing arbitrary PHP code.

Détails techniques

Publiée le
2021-07-30

Questions fréquentes

Qu’est-ce que CVE-2021-36766 ?

Concrete5 through 8.5.5 deserializes Untrusted Data. The vulnerable code is located within the controllers/single_page/dashboard/system/environment/logging.php Logging::update_logging() method. User input passed through the logFile request parameter is not properly sanitized before being used in a call to the file_exists() PHP function. This can be exploited by malicious users to inject arbitrary PHP objects into the application scope (PHP Object Injection via phar:// stream wrapper), allowing them to carry out a variety of attacks, such as executing arbitrary PHP code.

CVE-2021-36766 est-elle activement exploitée ?

Aucune exploitation active de CVE-2021-36766 n’est confirmée. Le score EPSS est de 1.5 %, soit la probabilité estimée d’exploitation dans les 30 prochains jours.

Quel est le score CVSS de CVE-2021-36766 ?

CVE-2021-36766 a un score de base CVSS v3 de 7.2 (gravité HIGH).

CVE-2021-36766 touche-t-elle votre environnement ?

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