Deserialization of Untrusted Data in TYPO3 CMS
CVE-2020-11067

8.8HIGH

Key Information:

Vendor

Typo3

Status
Typo3 Cms
Vendor
CVE Published:
14 May 2020

What is CVE-2020-11067?

In TYPO3 CMS 9.0.0 through 9.5.16 and 10.0.0 through 10.4.1, it has been discovered that backend user settings (in $BE_USER->uc) are vulnerable to insecure deserialization. In combination with vulnerabilities of third party components, this can lead to remote code execution. A valid backend user account is needed to exploit this vulnerability. This has been fixed in 9.5.17 and 10.4.2.

Affected Version(s)

TYPO3 CMS >= 9.0.0, < 9.5.17 < 9.0.0, 9.5.17

TYPO3 CMS >= 10.0.0, < 10.4.2 < 10.0.0, 10.4.2

References

https://github.com/TYPO3/TYPO3.CMS/security/advisories/GH...
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CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.