How severe is CVE-2021-33330?

CVE-2021-33330 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-33330 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33330?

CVE-2021-33330 primarily affects Liferay Digital Experience Platform. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-33330?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-33330 published?

CVE-2021-33330 was published on 2021-08-03 and last updated on 2026-06-17.

CVE-2021-33330

CVE-2021-33330 is a medium-severity vulnerability in Liferay Digital Experience Platform with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.3
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Liferay Digital Experience Platform
Published: 2021-08-03
Last modified: 2026-06-17

Description

Liferay Portal 7.2.0 through 7.3.2, and Liferay DXP 7.2 before fix pack 9, allows access to Cross-origin resource sharing (CORS) protected resources if the user is only authenticated using the portal session authentication, which allows remote attackers to obtain sensitive information including the targeted user’s email address and current CSRF token.

Frequently asked questions

What is CVE-2021-33330?: Liferay Portal 7.2.0 through 7.3.2, and Liferay DXP 7.2 before fix pack 9, allows access to Cross-origin resource sharing (CORS) protected resources if the user is only authenticated using the portal session authentication, which allows remote attackers to obtain sensitive information including the targeted user’s email address and current CSRF token.
How severe is CVE-2021-33330?: CVE-2021-33330 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-33330 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33330?: CVE-2021-33330 primarily affects Liferay Digital Experience Platform. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-33330?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33330 published?: CVE-2021-33330 was published on 2021-08-03 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:a:liferay:digital_experience_platform:7.2:-:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_1:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_2:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_3:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_4:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_5:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_6:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_7:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_8:*:*:*:*:*:*
cpe:2.3:a:liferay:liferay_portal:*:*:*:*:*:*:*:*

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