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CVE-2021-40108
Good to know:
Date: September 27, 2021
An issue was discovered in Concrete CMS through 8.5.5. The Calendar is vulnerable to CSRF. ccm_token is not verified on the ccm/calendar/dialogs/event/add/save endpoint.
Language: PHP
Severity Score
Severity Score
Weakness Type (CWE)
Cross-Site Request Forgery (CSRF)
CWE-352Top Fix
Upgrade Version
Upgrade to version concrete5/concrete5 - dev-8.4.x-dev;concrete5/concrete5 - dev-release/8.5.3;concrete5/concrete5 - dev-release/8.5.4;concrete5/concrete5 - dev-allow-install-php-8.2;concrete5/concrete5 - dev-dependabot/npm_and_yarn/build/postcss-and-vue-loader-8.4.31;concrete5/concrete5 - dev-release/8.5.5;concrete5/concrete5 - dev-release/8.5.1;concrete5/concrete5 - dev-feature/composer-php8-support
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | REQUIRED |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | HIGH |
| Integrity (I): | HIGH |
| Availability (A): | HIGH |
CVSS v2
| Base Score: |
|
|---|---|
| Access Vector (AV): | NETWORK |
| Access Complexity (AC): | MEDIUM |
| Authentication (AU): | NONE |
| Confidentiality (C): | PARTIAL |
| Integrity (I): | PARTIAL |
| Availability (A): | PARTIAL |
| Additional information: |