#VU64271 Improper access control in TYPO3 - CVE-2022-31050

Vulnerability identifier: #VU64271

Vulnerability risk: Medium

CVSSv4.0: 6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-31050

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
TYPO3
Web applications / CMS

Vendor: TYPO3

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to Admin Tool sessions initiated via the TYPO3 backend user interface are not removed even if the corresponding user account was degraded to lower permissions or disabled completely. A remote user can prolong the admin tool session without any limit.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

TYPO3: 9.0.0 - 9.5.34, 10.0.0 - 11.5.10

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External links
https://typo3.org/security/advisory/typo3-core-sa-2022-005/

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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