No exploitation reportedFix available

CVE-2021-33321

Q: Is CVE-2021-33321 actively exploited?

Active exploitation of CVE-2021-33321 has not been confirmed. Its EPSS score was 1.4% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2021-33321?

CVE-2021-33321 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:H/I:N/A:N.

No exploitation reported by the sources we read.

Published2021-08-03
Fixed in7.3
WeaknessCWE-640

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

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.

Timeline

dates in UTC

2021-08-0319:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 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-2021-33321?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-33321?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Liferay dxp

Branch	Affected	Fixed in	Source
7.3	< 7.3	7.3	NVD

Liferay liferay portal

Branch	Affected	Fixed in	Source
7.3	≥ 6.2.3, < 7.3.3	7.3.3	NVD

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

Fix

Update Liferay dxp to 7.3

Advisories and patches

help.liferay.comVendor Advisory
portal.liferay.devRelease Notes · Vendor Advisory

Detection

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

Sources

NVDCVSS 3.17.5read 2026-10-23
NVDCVSS 2.05read 2026-10-23
NVDweakness (CWE)CWE-640read 2026-10-23
FIRST EPSSEPSS score1.4 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published: 2021-08-03
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2021-33321?

Is CVE-2021-33321 actively exploited?

Active exploitation of CVE-2021-33321 has not been confirmed. Its EPSS score was 1.4% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-33321?

CVE-2021-33321 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:H/I:N/A:N.

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