1. Home
  2. CVE Database
  3. CVE-2021-29047
HIGH · 7.5

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 ...

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
LiferayDxp< 7.3
LiferayLiferay Portal7.3.4

Related Weaknesses (CWE)

CWE-287

References

FAQ

What is CVE-2021-29047?

CVE-2021-29047 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...

How severe is CVE-2021-29047?

CVE-2021-29047 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-29047?

Check the references section above for vendor advisories and patch information. Affected products include: Liferay Dxp, Liferay Liferay Portal.