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CVE-2020-11063— Observable Response Discrepancy in TYPO3 CMS

Quick assessment

Affected

TYPO3 TYPO3 CMS

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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)。 TYPO3 CMS 10.4.0版本至10.4.1版本中的Password Reset组件存在信息泄露漏洞。该漏洞源于网络系统或产品在运行过程中存在配置等错误。未授权的攻击者可利用漏洞获取受影响组件敏感信息。

CVSS 3.7 · Low EPSS 1.22% · P69 Updated Feb 24, 2026

Possible ATT&CK Techniques 1 AI

T1087 · Account Discovery

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I. Basic Information for CVE-2020-11063

Vulnerability Information

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Vulnerability Title

Observable Response Discrepancy in TYPO3 CMS

Source: CVE Program / CVE List V5

Vulnerability Description

In TYPO3 CMS versions 10.4.0 and 10.4.1, it has been discovered that time-based attacks can be used with the password reset functionality for backend users. This allows an attacker to mount user enumeration based on email addresses assigned to backend user accounts. This has been fixed in 10.4.2.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Source: CVE Program / CVE List V5

Vulnerability Type

响应差异性信息暴露

Source: CVE Program / CVE List V5

Vulnerability Title

TYPO3 Password Reset组件信息泄露漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

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

Vendor	Product	Affected Versions	CPE	Subscribe
TYPO3	TYPO3 CMS	>= 10.4.0, <= 10.4.1	-

II. Public POCs for CVE-2020-11063

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2020-11063

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Patches & Fixes for CVE-2020-11063 (1)

[SECURITY] Prevent time based information disclosure · TYPO3/typo3@14929b9 · GitHub x_refsource_MISC

Vendor Advisories for CVE-2020-11063 (2)

https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-347x-877p-hcwx x_refsource_CONFIRM
Information Disclosure in Password Reset · Advisory · TYPO3/typo3 · GitHub x_refsource_CONFIRM

https://www.cve.org/CVERecord?id=CVE-2020-11063

Same Patch Batch · TYPO3 · 2020-05-13 · 6 CVEs total

CVE-2020-11067	8.8 HIGH	Deserialization of Untrusted Data in TYPO3 CMS
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

IV. Related Vulnerabilities

Same product: TYPO3 CMS

Same vendor: TYPO3

Same weakness: CWE-204