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CVE-2021-29047

Quick assessment

Affected
n/a n/a
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.

Liferay Portal是美国Liferay公司的一套基于J2EE的门户解决方案。该方案使用了EJB以及JMS等技术，并可作为Web发布和共享工作区、企业协作平台、社交网络等。 Liferay Enterprise Portal 存在安全漏洞。该漏洞源于程序错误的SimpleCaptcha实现导致，远程攻击者可以绕过已实施的安全限制。以下产品及版本受到影响：Liferay Enterprise Portal：7.3.4 ga5，7.3.5 ga6。

AI Predicted 7.5 Difficulty: Easy EPSS 1.06% · P61

Possible ATT&CK Techniques 1 AI

T1110 · Brute Force

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2021-29047

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The SimpleCaptcha implementation in Liferay Portal 7.3.4, 7.3.5 and Liferay DXP 7.3 before fix pack 1 does not invalidate CAPTCHA answers after it is used, which allows remote attackers to repeatedly perform actions protected by a CAPTCHA challenge by reusing the same CAPTCHA answer.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Liferay Portal 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Liferay Portal是美国Liferay公司的一套基于J2EE的门户解决方案。该方案使用了EJB以及JMS等技术，并可作为Web发布和共享工作区、企业协作平台、社交网络等。 Liferay Enterprise Portal 存在安全漏洞。该漏洞源于程序错误的SimpleCaptcha实现导致，远程攻击者可以绕过已实施的安全限制。以下产品及版本受到影响：Liferay Enterprise Portal：7.3.4 ga5，7.3.5 ga6。
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
- n/a n/a -

II. Public POCs for CVE-2021-29047

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III. Intelligence Information for CVE-2021-29047

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Other References for CVE-2021-29047 (1)

Same Patch Batch · n/a · 2021-05-16 · 5 CVEs total

CVE-2021-29041 Liferay DXP 安全漏洞
CVE-2021-29040 Liferay Portal 安全漏洞
CVE-2021-29039 Liferay Portal 跨站脚本漏洞
CVE-2021-22668 Delta Electronics Delta Industrial Automation CNCSoft 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2021-29047

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