HOMEVULNERABILITIESCVE-2021-33321
HIGH

CVE-2021-33321

CWE-640Published: August 3, 2021· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Insecure default configuration in Liferay Portal 6.2.3 through 7.3.2, and Liferay DXP before 7.3, allows remote attackers to enumerate user email address via the forgot password functionality. The portal.property login.secure.forgot.password should be defaulted to true.

NVD Source

Technical Analysis

CVE-2021-33321 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 complete confidentiality breach (data exposure), 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
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

liferay2 product(s)
dxpliferay 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://help.liferay.com/hc/en-us/articles/360050785632
ADVISORYhttps://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120748055
ADVISORYhttps://help.liferay.com/hc/en-us/articles/360050785632
ADVISORYhttps://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120748055

All References (4)

→
https://help.liferay.com/hc/en-us/articles/360050785632Vendor Advisory
→
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120748055Release Notes · Vendor Advisory
→
https://help.liferay.com/hc/en-us/articles/360050785632Vendor Advisory
→
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/120748055Release Notes · Vendor Advisory

Quick Facts

CVE IDCVE-2021-33321
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-640
CISA KEVNo
Affected1 vendor(s)
PublishedAug 3, 2021

Related CVEs (CWE-640)

CVE-2025-63314
10.0
CVE-2018-7811
9.8
CVE-2018-10081
9.8
CVE-2015-4689
9.8
CVE-2015-5172
9.8
CVE-2018-7809
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-33321 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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