CVE-2021-38266 Liferay Portal and Liferay DXP fails to properly import users from LDAP
Remote attackers can prevent legitimate users from authenticating by exploiting an LDAP import flaw in Liferay Portal.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-38266?
CVE-2021-38266 is a high-severity denial of service vulnerability in Liferay Digital Experience Platform, published on 2 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Portal Security module in Liferay Portal 7.2.1 and earlier, and Liferay DXP 7.0 before fix pack 90, 7.1 before fix pack 17 and 7.2 before fix pack 5 does not correctly import users from LDAP, which allows remote attackers to prevent a legitimate user from authenticating by attempting to sign in as a user that exist in LDAP.
Which versions are affected by CVE-2021-38266?
5 open source packages ship an affected version, including com.liferay.portal:release.dxp.bom, liferay and com.liferay:com.liferay.portal.security.ldap.impl. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
com.liferay.portal:release.dxp.bom Maven | All versions | 7.3.0-ga1 |
com.liferay.portal:release.dxp.bom Maven | All versions | 7.3.0-ga1 |
liferay Bitnami | From 7.0.0 to 7.0.0 | None |
com.liferay:com.liferay.portal.security.ldap.impl Maven | All versions | 2.0.19 |
com.liferay:com.liferay.portal.security.ldap.impl Maven | All versions | 2.0.19 |
Products include Liferay Digital Experience Platform, Liferay Liferay Portal.
How do I fix CVE-2021-38266?
Upgrade com.liferay.portal:release.dxp.bom to 7.3.0-ga1 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-38266 being exploited?
There is no known exploitation of CVE-2021-38266 in the wild and no public exploit code.
Other vulnerabilities in Liferay Digital Experience Platform
- CVE-2024-8980 Liferay Portal and Liferay DXP Vulnerable to CSRF in the Script Console
- CVE-2023-42496 Liferay Portal and Liferay DXP vulnerable to reflected Cross-site Scripting
- CVE-2023-42498 Liferay Portal Language Override edit screen and Liferay DXP vulnerable to reflected Cross-site Scripting
- CVE-2024-25147 Liferay Portal and Liferay DXP vulnerable to Cross-site Scripting
- CVE-2024-26269 Liferay Portal Frontend JS module's portlet.js and Liferay DXP vulnerable to Cross-site Scripting
Sources
Also known as BIT-liferay-2021-38266, GHSA-jp3m-vh3g-6ggp.