What is the severity of CVE-2021-29047?

CVE-2021-29047 is rated as a medium severity vulnerability due to its potential for abuse in bypassing CAPTCHA protections.

How do I fix CVE-2021-29047?

To fix CVE-2021-29047, upgrade to Liferay Portal 7.3.6 or later versions including Liferay DXP 7.3 with fix pack 1.

What does CVE-2021-29047 affect?

CVE-2021-29047 affects Liferay Portal versions 7.3.4 and 7.3.5, as well as Liferay DXP 7.3 prior to fix pack 1.

What is the impact of CVE-2021-29047?

The impact of CVE-2021-29047 allows remote attackers to reuse CAPTCHA answers, enabling them to bypass security measures.

Is CVE-2021-29047 remotely exploitable?

Yes, CVE-2021-29047 is remotely exploitable, allowing attackers to perform protected actions by reusing CAPTCHA responses.

Vulnerability/
CVE-2021-29047

high

7.5

CWE

287

16/5/2021

3/8/2024

CVE-2021-29047

First published: Sun May 16 2021(Updated: )

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.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Liferay 7.4 GA	<7.3
Liferay 7.4 GA	=7.3
Liferay 7.4 GA	=7.3.4
Liferay 7.4 GA	=7.3.5

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Frequently Asked Questions

What is the severity of CVE-2021-29047?
CVE-2021-29047 is rated as a medium severity vulnerability due to its potential for abuse in bypassing CAPTCHA protections.
How do I fix CVE-2021-29047?
To fix CVE-2021-29047, upgrade to Liferay Portal 7.3.6 or later versions including Liferay DXP 7.3 with fix pack 1.
What does CVE-2021-29047 affect?
CVE-2021-29047 affects Liferay Portal versions 7.3.4 and 7.3.5, as well as Liferay DXP 7.3 prior to fix pack 1.
What is the impact of CVE-2021-29047?
The impact of CVE-2021-29047 allows remote attackers to reuse CAPTCHA answers, enabling them to bypass security measures.
Is CVE-2021-29047 remotely exploitable?
Yes, CVE-2021-29047 is remotely exploitable, allowing attackers to perform protected actions by reusing CAPTCHA responses.

agent/type
agent/references
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/weakness
agent/severity
agent/author
agent/last-modified-date
agent/description
agent/first-publish-date
agent/event
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/liferay
canonical/liferay 7.4 ga
version/liferay 7.4 ga/7.3
version/liferay 7.4 ga/7.3.4
version/liferay 7.4 ga/7.3.5

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Frequently Asked Questions

What is the severity of CVE-2021-29047?
CVE-2021-29047 is rated as a medium severity vulnerability due to its potential for abuse in bypassing CAPTCHA protections.
How do I fix CVE-2021-29047?
To fix CVE-2021-29047, upgrade to Liferay Portal 7.3.6 or later versions including Liferay DXP 7.3 with fix pack 1.
What does CVE-2021-29047 affect?
CVE-2021-29047 affects Liferay Portal versions 7.3.4 and 7.3.5, as well as Liferay DXP 7.3 prior to fix pack 1.
What is the impact of CVE-2021-29047?
The impact of CVE-2021-29047 allows remote attackers to reuse CAPTCHA answers, enabling them to bypass security measures.
Is CVE-2021-29047 remotely exploitable?
Yes, CVE-2021-29047 is remotely exploitable, allowing attackers to perform protected actions by reusing CAPTCHA responses.