HOMEVULNERABILITIESCVE-2023-33950
HIGH

CVE-2023-33950

CWE-1333Published: May 24, 2023· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2023-33950 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

liferay2 product(s)
digital experience platformliferay portal
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/cve-2023-33950
ADVISORYhttps://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/cve-2023-33950

All References (2)

→
https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/cve-2023-33950Vendor Advisory
→
https://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/cve-2023-33950Vendor Advisory

Quick Facts

CVE IDCVE-2023-33950
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-1333
CISA KEVNo
Affected1 vendor(s)
PublishedMay 24, 2023

Related CVEs (CWE-1333)

CVE-2026-35458
9.8
CVE-2023-29486
9.8
CVE-2025-62484
9.8
CVE-2023-29487
9.1
CVE-2020-26306
8.7
CVE-2026-57584
8.7

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-33950 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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