How severe is CVE-2002-2437?

CVE-2002-2437 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2002-2437 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-2002-2437?

CVE-2002-2437 primarily affects Mozilla Firefox. In total, 150 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-2437?

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

When was CVE-2002-2437 published?

CVE-2002-2437 was published on 2011-12-07 and last updated on 2026-06-16.

CVE-2002-2437

CVE-2002-2437 is a medium-severity vulnerability in Mozilla Firefox 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: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Mozilla Firefox
Published: 2011-12-07
Last modified: 2026-06-16

Description

The JavaScript implementation in Mozilla Firefox before 4.0, Thunderbird before 3.3, and SeaMonkey before 2.1 does not properly restrict the set of values contained in the object returned by the getComputedStyle method, which allows remote attackers to obtain sensitive information about visited web pages by calling this method.

Frequently asked questions

What is CVE-2002-2437?: The JavaScript implementation in Mozilla Firefox before 4.0, Thunderbird before 3.3, and SeaMonkey before 2.1 does not properly restrict the set of values contained in the object returned by the getComputedStyle method, which allows remote attackers to obtain sensitive information about visited web pages by calling this method.
How severe is CVE-2002-2437?: CVE-2002-2437 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2002-2437 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-2002-2437?: CVE-2002-2437 primarily affects Mozilla Firefox. In total, 150 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-2437?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-2437 published?: CVE-2002-2437 was published on 2011-12-07 and last updated on 2026-06-16.

References

Affected products (150)

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.0.4:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.0.6:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.0.7:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.0.8:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.0.9:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.0.10:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.0.11:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.0.12:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.0.13:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.0.14:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.0.15:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.0.16:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.0.17:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.5:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.5.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.5.3:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.5.4:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.5.5:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.5.6:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.5.7:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.5.8:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.5.9:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.5.10:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.5.11:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.5.12:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.5.13:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.5.14:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.5.15:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.6:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.6.1:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.6.2:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.6.3:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:3.6.4:*:*:*:*:*:*:*

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