CVE-2020-11067— Deserialization of Untrusted Data in TYPO3 CMS
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I. Basic Information for CVE-2020-11067
Vulnerability Information
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Vulnerability Title
Deserialization of Untrusted Data in TYPO3 CMS
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
TYPO3 Backend User Interface组件代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TYPO3是瑞士TYPO3（Typo3）协会的一套免费开源的内容管理系统(框架)(CMS/CMF)。 TYPO3 9.0.0版本至9.5.16版本和10.0.0版本至10.4.1版本中的Backend User Interface组件存在代码问题漏洞。远程攻击者可利用该漏洞（及其他漏洞）执行代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2020-11067
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- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-2wj9-434x-9hvpx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2020-11067
Same Patch Batch · TYPO3 · 2020-05-13 · 6 CVEs total
| CVE-2020-11066 | 8.7 HIGH | Improperly Controlled Modification of Dynamically-Determined Object Attributes in TYPO3 CM |
| CVE-2020-11069 | 8.0 HIGH | Cross-Site Request Forgery in TYPO3 CMS |
| CVE-2020-11065 | 5.4 MEDIUM | Cross-Site Scripting in TYPO3 CMS |
| CVE-2020-11064 | 5.4 MEDIUM | Cross-Site Scripting in TYPO3 CMS |
| CVE-2020-11063 | 3.7 LOW | Observable Response Discrepancy in TYPO3 CMS |
IV. Related Vulnerabilities
Same product: TYPO3 CMS
- CVE-2026-6553
TYPO3 CMS Stores Cleartext Password in User Settings Module - CVE-2026-0859
TYPO3 CMS Allows Insecure Deserialization via Mailer File Sp - CVE-2025-59022
TYPO3 CMS Allows Broken Access Control in Recycler Module - CVE-2025-59021
TYPO3 CMS Allows Broken Access Control in Redirects Module - CVE-2025-59020
TYPO3 CMS Allows Broken Access Control in Edit Document Cont
Same vendor: TYPO3
- CVE-2026-6553
TYPO3 CMS Stores Cleartext Password in User Settings Module - CVE-2026-4208
Authentication Bypass in extension "E-Mail MFA Provider" (mf - CVE-2026-4202
Broken Access Control in extension "Redirect Tab" - CVE-2026-1323
Insecure Deserialization in extension "Mailqueue" (mailqueue - CVE-2026-0895
Insecure Deserialization in extension "Mailqueue" (mailqueue
Same weakness: CWE-502
- CVE-2026-44126
Insecure deserialization - CVE-2026-5127
User Frontend: AI Powered Frontend Posting, User Directory, - CVE-2026-41586
ObjectInputStream.readObject() without ObjectInputFilter in - CVE-2026-34084
PhpSpreadsheet SSRF and RCE via PHP stream wrappers in IOFac - CVE-2026-7712
MindsDB Pickle pickle.loads deserialization
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