CVE-2020-15098— Missing Required Cryptographic Step Leading to Sensitive Information Disclosure in TYPO3 CMS
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I. Basic Information for CVE-2020-15098
Vulnerability Information
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Vulnerability Title
Missing Required Cryptographic Step Leading to Sensitive Information Disclosure in TYPO3 CMS
Source: NVD (National Vulnerability Database)
Vulnerability Description
In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.20, and greater than or equal to 10.0.0 and less than 10.4.6, it has been discovered that an internal verification mechanism can be used to generate arbitrary checksums. This allows to inject arbitrary data having a valid cryptographic message authentication code (HMAC-SHA1) and can lead to various attack chains including potential privilege escalation, insecure deserialization & remote code execution. The overall severity of this vulnerability is high based on mentioned attack chains and the requirement of having a valid backend user session (authenticated). This has been patched in versions 9.5.20 and 10.4.6.
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
缺少必要的密码学步骤
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协会的一套免费开源的内容管理系统(框架)(CMS/CMF)。Backend User Interface是其中的一个后端用户界面组件。 TYPO3 9.0.0版本至9.5.19版本和10.0.0版本至10.4.5版本中的Backend User Interface组件存在安全漏洞。攻击者可利用该漏洞注入数据。
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-2020-15098
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- https://typo3.org/security/advisory/typo3-core-sa-2020-008x_refsource_MISC
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-m5vr-3m74-jwxpx_refsource_CONFIRM
- https://typo3.org/security/advisory/typo3-core-sa-2016-013x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2020-15098
IV. Related Vulnerabilities
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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
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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
V. Comments for CVE-2020-15098
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