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CRITICAL

CVE-2020-15086

CVSS v3

9.8

CRITICAL

Score EPSS

3.7 %

probabilité d’exploitation

CISA KEV

Non

exploitation connue

Exploitation

statut SSVC

Description

In TYPO3 installations with the "mediace" extension from version 7.6.2 and before version 7.6.5, it has been discovered that an internal verification mechanism can be used to generate arbitrary checksums. The allows to inject arbitrary data having a valid cryptographic message authentication code and can lead to remote code execution. To successfully exploit this vulnerability, an attacker must have access to at least one `Extbase` plugin or module action in a TYPO3 installation. This is fixed in version 7.6.5 of the "mediace" extension for TYPO3.

Détails techniques

Publiée le
2020-07-29

Questions fréquentes

Qu’est-ce que CVE-2020-15086 ?

In TYPO3 installations with the "mediace" extension from version 7.6.2 and before version 7.6.5, it has been discovered that an internal verification mechanism can be used to generate arbitrary checksums. The allows to inject arbitrary data having a valid cryptographic message authentication code and can lead to remote code execution. To successfully exploit this vulnerability, an attacker must have access to at least one `Extbase` plugin or module action in a TYPO3 installation. This is fixed in version 7.6.5 of the "mediace" extension for TYPO3.

CVE-2020-15086 est-elle activement exploitée ?

Aucune exploitation active de CVE-2020-15086 n’est confirmée. Le score EPSS est de 3.7 %, soit la probabilité estimée d’exploitation dans les 30 prochains jours.

Quel est le score CVSS de CVE-2020-15086 ?

CVE-2020-15086 a un score de base CVSS v3 de 9.8 (gravité CRITICAL).

CVE-2020-15086 touche-t-elle votre environnement ?

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