How severe is CVE-2009-3387?

CVE-2009-3387 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2009-3387 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3387?

CVE-2009-3387 primarily affects Mozilla Bugzilla. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-3387?

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

When was CVE-2009-3387 published?

CVE-2009-3387 was published on 2010-02-03 and last updated on 2026-06-16.

CVE-2009-3387

CVE-2009-3387 is a medium-severity vulnerability in Mozilla Bugzilla with a CVSS 2.0 base score of 5.0. 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 5.0)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Mozilla Bugzilla
Published: 2010-02-03
Last modified: 2026-06-16

Description

Bugzilla 3.3.1 through 3.4.4, 3.5.1, and 3.5.2 does not allow group restrictions to be preserved throughout the process of moving a bug to a different product category, which allows remote attackers to obtain sensitive information via a request for a bug in opportunistic circumstances.

Frequently asked questions

What is CVE-2009-3387?: Bugzilla 3.3.1 through 3.4.4, 3.5.1, and 3.5.2 does not allow group restrictions to be preserved throughout the process of moving a bug to a different product category, which allows remote attackers to obtain sensitive information via a request for a bug in opportunistic circumstances.
How severe is CVE-2009-3387?: CVE-2009-3387 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-3387 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3387?: CVE-2009-3387 primarily affects Mozilla Bugzilla. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-3387?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-3387 published?: CVE-2009-3387 was published on 2010-02-03 and last updated on 2026-06-16.

References

Affected products (10)

cpe:2.3:a:mozilla:bugzilla:3.3.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:bugzilla:3.3.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:bugzilla:3.3.3:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:bugzilla:3.3.4:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:bugzilla:3.4:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:bugzilla:3.4.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:bugzilla:3.4.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:bugzilla:3.4.4:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:bugzilla:3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:bugzilla:3.5.2:*:*:*:*:*:*:*

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