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Information Exposure Affecting typo3/cms package, versions >=9.0.0, <9.5.20 >=10.0.0, <10.4.6

0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    Exploit Maturity Mature
    EPSS 0.32% (71st percentile)
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NVD
8.8 high

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  • Snyk ID SNYK-PHP-TYPO3CMS-595713
  • published 28 Jul 2020
  • disclosed 28 Jul 2020
  • credit Oliver Hader
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Introduced: 28 Jul 2020

CVE-2020-15098 Open this link in a new tab
CWE-200 Open this link in a new tab

How to fix?

Upgrade typo3/cms to version 9.5.20, 10.4.6 or higher.

Overview

typo3/cms is a free open source Content Management Framework.

Affected versions of this package are vulnerable to Information Exposure. An internal verification mechanism can be used to generate arbitrary checksums. This allows to inject arbitrary data having a valid cryptographic message authentication code (HMAC-SHA1) which can lead to a sensitive information disclosure.

Note: The attacker must have access to at least one Extbase plugin or module action in a TYPO3 installation.