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.
Published 2023-05-24 17:15:10
Updated 2023-05-31 20:22:30
Source Liferay Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2023-33950

Probability of exploitation activity in the next 30 days: 0.08%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 32 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2023-33950

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
NIST
6.5
MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
2.8
3.6
Liferay Inc.

CWE ids for CVE-2023-33950

  • The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.
    Assigned by:
    • nvd@nist.gov (Primary)
    • security@liferay.com (Secondary)

References for CVE-2023-33950

Products affected by CVE-2023-33950

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