CVE-2021-29047

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.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743467	Vendor Advisory
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743467	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:liferay:dxp::::::::
	cpe:2.3:a:liferay:dxp:7.3:-::::::
	cpe:2.3:a:liferay:liferay_portal:7.3.4:::::::*
	cpe:2.3:a:liferay:liferay_portal:7.3.5:::::::*

History

No history.

Information

Published : 2021-05-16 16:15

Updated : 2026-07-09 01:16

NVD link : CVE-2021-29047

Mitre link : CVE-2021-29047

CVE.ORG link : CVE-2021-29047

JSON object : View

Products Affected

liferay

liferay_portal
dxp

CWE

CWE-287

Improper Authentication

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