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.

• CWE-20
• CWE-200
• CWE-325
• CWE-502

• https://github.com/FriendsOfTYPO3/mediace/commit/fa29ffd3e8b275782a8600d2406e1b1e5e16ae75Patch, Third Party Advisory
• https://github.com/FriendsOfTYPO3/mediace/pull/31Patch, Third Party Advisory
• https://github.com/FriendsOfTYPO3/mediace/security/advisories/GHSA-4h44-w6fm-548gExploit, Patch, Third Party Advisory
• https://github.com/FriendsOfTYPO3/mediace/commit/fa29ffd3e8b275782a8600d2406e1b1e5e16ae75Patch, Third Party Advisory
• https://github.com/FriendsOfTYPO3/mediace/pull/31Patch, Third Party Advisory
• https://github.com/FriendsOfTYPO3/mediace/security/advisories/GHSA-4h44-w6fm-548gExploit, Patch, Third Party Advisory

Published

Jul 29, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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