CVE-2021-29047

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

La implementación de SimpleCaptcha en Liferay Portal versiones 7.3.4, 7.3.5 y Liferay DXP versiones 7.3 anteriores al fixpack 1, no invalida las respuestas CAPTCHA después de su uso, lo que permite a atacantes remotos llevar a cabo repetidamente acciones protegidas por un desafío CAPTCHA reutilizando la misma respuesta CAPTCHA

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-03-22 CVE Reserved
2021-05-16 CVE Published
2024-05-19 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-287: Improper Authentication

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://liferay.com	2021-05-24
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743467	2021-05-24

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Liferay Search vendor "Liferay"		Dxp Search vendor "Liferay" for product "Dxp"				< 7.3 Search vendor "Liferay" for product "Dxp" and version " < 7.3"		-		Affected
Liferay Search vendor "Liferay"		Dxp Search vendor "Liferay" for product "Dxp"				7.3 Search vendor "Liferay" for product "Dxp" and version "7.3"		-		Affected
Liferay Search vendor "Liferay"		Liferay Portal Search vendor "Liferay" for product "Liferay Portal"				7.3.4 Search vendor "Liferay" for product "Liferay Portal" and version "7.3.4"		-		Affected
Liferay Search vendor "Liferay"		Liferay Portal Search vendor "Liferay" for product "Liferay Portal"				7.3.5 Search vendor "Liferay" for product "Liferay Portal" and version "7.3.5"		-		Affected