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CVE-2021-40103

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Date: September 27, 2021

An issue was discovered in Concrete CMS through 8.5.5. Path Traversal can lead to Arbitrary File Reading and SSRF.

Language: PHP

Severity Score

Severity Score

Weakness Type (CWE)

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-22

Top Fix

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Upgrade Version

Upgrade to version concrete5/concrete5 - dev-fix-redis-config;concrete5/concrete5 - dev-feature/composer-php8-support;concrete5/concrete5 - dev-allow-install-php-8.2;concrete5/concrete5 - dev-feature-multisite-licenses;concrete5/concrete5 - dev-dependabot/npm_and_yarn/build/postcss-and-vue-loader-8.4.31;concrete5/concrete5 - dev-feature/usable-welcome-page;concrete5/concrete5 - dev-backport-9975;concrete5/concrete5 - dev-dependabot/npm_and_yarn/build/async-2.6.4;concrete5/concrete5 - 8.5.6RC1;concrete5/concrete5 - dev-dependabot/npm_and_yarn/build/lodash.template-and-download--removed;concrete5/concrete5 - 8.5.0RC2;concrete5/concrete5 - 8.5.x-dev;concrete5/concrete5 - dev-fix-h1-1102211;concrete5/concrete5 - 9.0.0RC1;concrete5/concrete5 - dev-marketplace-migration;concrete5/concrete5 - dev-dependabot/npm_and_yarn/build/json5-1.0.2;concrete5/core - 8.5.1;concrete5/core - 9.0.0RC1;concrete5/core - 8.5.6RC1;concrete5/core - 8.4.2;concrete5/core - 8.5.2

Learn More

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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