High severity7.5NVD Advisory· Published May 16, 2021· Updated Jun 17, 2026
CVE-2021-29047
CVE-2021-29047
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
com.liferay.portal:release.portal.bomMaven | >= 7.3.4, < 7.3.6 | 7.3.6 |
com.liferay.portal:release.dxp.bomMaven | < 7.3.10.fp1 | 7.3.10.fp1 |
Affected products
3- Liferay/Liferay Portaldescription
- ghsa-coords2 versions
< 7.3.10.fp1+ 1 more
- (no CPE)range: < 7.3.10.fp1
- (no CPE)range: >= 7.3.4, < 7.3.6
Patches
Vulnerability mechanics
References
5- liferay.comnvdVendor AdvisoryWEB
- github.com/advisories/GHSA-9mxg-p873-6793ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-29047ghsaADVISORY
- portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743467nvdVendor Advisory
- web.archive.org/web/20210524180455/https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120743467ghsaWEB
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