Vulnerability identifier: #VU17239

Vulnerability risk: Low

CVSSv3.1: 4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
TYPO3
Web applications / CMS

Vendor: TYPO3

Description
The vulnerability allows a remote authenticated attacker to bypass security restrictions on the target system.

The weakness exists due to improper privileges and access control. A remote attacker can modify and create pages in the default language which actually should be disallowed.

Mitigation
The vulnerability has been addressed in the version 8.7.23.

Vulnerable software versions

TYPO3: 8.0.0 - 8.7.22

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External links
http://typo3.org/security/advisory/typo3-core-sa-2019-003/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.