CVE-2020-15840
MEDIUMCVSS 5.3/10EPSS 1.05%
Last modified
CVE-2020-15840 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. In Liferay Portal before 7.3.1, Liferay Portal 6.2 EE, and Liferay DXP 7.2, DXP 7.1 and DXP 7.0, the property 'portlet.resource.id.banned.paths.regexp' can be bypassed with doubled encoded URLs.. EPSS estimates a 1.05% chance of exploitation in the next 30 days.
Description
In Liferay Portal before 7.3.1, Liferay Portal 6.2 EE, and Liferay DXP 7.2, DXP 7.1 and DXP 7.0, the property 'portlet.resource.id.banned.paths.regexp' can be bypassed with doubled encoded URLs.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Liferay | Digital Experience Platform | 7.0 |
| Liferay | Digital Experience Platform | 7.1 |
| Liferay | Digital Experience Platform | 7.2 |
| Liferay | Liferay Portal | < 7.3.1 |
| Liferay | Liferay Portal | 6.2 |
References
- https://issues.liferay.com/browse/LPE-17046Issue Tracking, Vendor Advisory
- https://issues.liferay.com/browse/LPE-17046Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-15840?
In Liferay Portal before 7.3.1, Liferay Portal 6.2 EE, and Liferay DXP 7.2, DXP 7.1 and DXP 7.0, the property 'portlet.resource.id.banned.paths.regexp' can be bypassed with doubled encoded URLs.
How severe is CVE-2020-15840?
CVE-2020-15840 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.05% probability of exploitation in the next 30 days.
How do I fix CVE-2020-15840?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-15840?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST