How severe is CVE-2009-4528?

CVE-2009-4528 has a CVSS 2.0 base score of 6.5, rated medium severity.

Is CVE-2009-4528 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4528?

CVE-2009-4528 primarily affects Moshe Weitzman Og Vocab. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4528?

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

When was CVE-2009-4528 published?

CVE-2009-4528 was published on 2009-12-31 and last updated on 2026-06-16.

CVE-2009-4528

CVE-2009-4528 is a medium-severity vulnerability in Moshe Weitzman Og Vocab with a CVSS 2.0 base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 6.5)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Moshe Weitzman Og Vocab
Published: 2009-12-31
Last modified: 2026-06-16

Description

The Organic Groups (OG) Vocabulary module 6.x before 6.x-1.0 for Drupal allows remote authenticated group members to bypass intended access restrictions, and create, modify, or read a vocabulary, via unspecified vectors.

Frequently asked questions

What is CVE-2009-4528?: The Organic Groups (OG) Vocabulary module 6.x before 6.x-1.0 for Drupal allows remote authenticated group members to bypass intended access restrictions, and create, modify, or read a vocabulary, via unspecified vectors.
How severe is CVE-2009-4528?: CVE-2009-4528 has a CVSS 2.0 base score of 6.5, rated medium severity.
Is CVE-2009-4528 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4528?: CVE-2009-4528 primarily affects Moshe Weitzman Og Vocab. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4528?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4528 published?: CVE-2009-4528 was published on 2009-12-31 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:moshe_weitzman:og_vocab:6.x-1.0:rc1:*:*:*:*:*:*
cpe:2.3:a:moshe_weitzman:og_vocab:6.x-1.x:dev:*:*:*:*:*:*

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