CVE-2023-33950
highpriority · track · 30EPSS 0.009 · 60 %ileEUUSEPSS · scored 2026-10-27
Pattern Redirects in Liferay Portal 7.4.3.48 through 7.4.3.76, and Liferay DXP 7.4 update 48 through 76 allows regular expressions that are vulnerable to ReDoS attacks to be used as patterns, which allows remote attackers to consume an excessive amount of server resources via crafted request URLs.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (7)
Products and version ranges known to be affected.
- liferay digital experience platform= 7.4nvdUScpe:2.3:a:liferay:digital_experience_platform:*:*:*:*:*:*:*:*
- Maven com.liferay.portal:release.portal.bom7.4.3.48 → 7.4.3.77osvUSpkg:maven/com.liferay.portal/release.portal.bom
advisories (2)
Vendor and ecosystem advisories describing this.
- GHSA-chrc-q6v3-jfv8Liferay Portal has Inefficient Regular Expression2023-05-24ghsa · osvUS
Pattern Redirects in Liferay Portal 7.4.3.48 through 7.4.3.76, and Liferay DXP 7.4 update 48 through 76 allows regular expressions that are vulnerable to ReDoS attacks to be used as patterns, which allows remote attackers to consume an excessive amount of server resources via crafted request URLs.
- BIT-liferay-2023-339502024-01-31vendor · osvUS
Pattern Redirects in Liferay Portal 7.4.3.48 through 7.4.3.76, and Liferay DXP 7.4 update 48 through 76 allows regular expressions that are vulnerable to ReDoS attacks to be used as patterns, which allows remote attackers to consume an excessive amount of server resources via crafted request URLs.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-33950/cnnvd
- https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/cve-2023-33950cnnvd
- https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/cve-2023-33950enisa_euvd
- https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/cve-2023-33950Vendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan