No exploitation reported

CVE-2023-33950

No exploitation reported by the sources we read.

Published2023-05-24
WeaknessCWE-1333

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2023-05-2417:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-33950?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-33950?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV · NVD

liferay

Branch	Affected	Fixed in	Source
7.4	≥ 7.4-update48.0, ≤ 7.4-update48.0	no fix published	OSV
7.4	≥ 7.4-update76.0, ≤ 7.4-update76.0	no fix published	OSV

Liferay digital experience platform

Branch	Affected	Fixed in	Source
7.4	= 7.4	no fix published	NVD

Liferay liferay portal

Branch	Affected	Fixed in	Source
7.4	≥ 7.4.3.48, ≤ 7.4.3.76	no fix published	NVD

1 more product in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

liferay.devVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2024-10-22
OpenCVESSVC decisionnone—
CNACVSS 3.16.5read 2026-10-23
NVDCVSS 3.17.5read 2026-10-23
CNAweakness (CWE)CWE-1333read 2026-10-23
NVDweakness (CWE)CWE-1333read 2026-10-23
FIRST EPSSEPSS score0.9 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2023-05-24
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-33950?

Is CVE-2023-33950 actively exploited?

Active exploitation of CVE-2023-33950 has not been confirmed. Its EPSS score was 0.9% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-33950?

CVE-2023-33950 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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