CVE-2020-15842 Liferay Portal and Liferay DXP have Insecure Deserialization Vulnerability
Man-in-the-middle attackers can execute arbitrary code via crafted serialized payloads due to insecure deserialization 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-2020-15842?
CVE-2020-15842 is a high-severity unsafe deserialization vulnerability in Liferay Digital Experience Platform, published on 20 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Liferay Portal before 7.3.0, and Liferay DXP 7.0 before fix pack 90, 7.1 before fix pack 17, and 7.2 before fix pack 5, allows man-in-the-middle attackers to execute arbitrary code via crafted serialized payloads, because of insecure deserialization.
Weakness: CWE-502
Which versions are affected by CVE-2020-15842?
8 open source packages ship an affected version, including com.liferay.portal:release.dxp.bom and com.liferay.portal:release.portal.bom. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
com.liferay.portal:release.dxp.bom Maven | From 7.0.0 | 7.0.10.fp90 |
com.liferay.portal:release.dxp.bom Maven | From 7.0.0 | 7.0.10.fp90 |
com.liferay.portal:release.dxp.bom Maven | From 7.1.0 | 7.1.10.fp17 |
com.liferay.portal:release.dxp.bom Maven | From 7.1.0 | 7.1.10.fp17 |
com.liferay.portal:release.dxp.bom Maven | From 7.2.0 | 7.2.10.fp5 |
com.liferay.portal:release.dxp.bom Maven | From 7.2.0 | 7.2.10.fp5 |
2 more packages
com.liferay.portal:release.portal.bom Maven | All versions | 7.3.0 |
com.liferay.portal:release.portal.bom Maven | All versions | 7.3.0 |
Products include Liferay Digital Experience Platform, Liferay Liferay Portal.
How do I fix CVE-2020-15842?
Upgrade com.liferay.portal:release.dxp.bom to a fixed version for your release line: 7.0.10.fp90, 7.1.10.fp17 or 7.2.10.fp5.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2020-15842 being exploited?
There is no known exploitation of CVE-2020-15842 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 GHSA-mg3r-9jh8-33r9.