How severe is CVE-2002-2311?

CVE-2002-2311 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2002-2311 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-2311?

CVE-2002-2311 primarily affects Microsoft Internet Explorer. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-2311?

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

When was CVE-2002-2311 published?

CVE-2002-2311 was published on 2002-12-31 and last updated on 2026-06-16.

CVE-2002-2311

CVE-2002-2311 is a medium-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 6.4. 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 6.4)
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Microsoft Internet Explorer
Published: 2002-12-31
Last modified: 2026-06-16

Description

Microsoft Internet Explorer 6.0 and possibly others allows remote attackers to upload arbitrary file contents when users press a key corresponding to the JavaScript (1) event.ctrlKey or (2) event.shiftKey onkeydown event contained in a webpage. NOTE: it was reported that the vendor has disputed the severity of this issue.

Frequently asked questions

What is CVE-2002-2311?: Microsoft Internet Explorer 6.0 and possibly others allows remote attackers to upload arbitrary file contents when users press a key corresponding to the JavaScript (1) event.ctrlKey or (2) event.shiftKey onkeydown event contained in a webpage. NOTE: it was reported that the vendor has disputed the severity of this issue.
How severe is CVE-2002-2311?: CVE-2002-2311 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2002-2311 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-2311?: CVE-2002-2311 primarily affects Microsoft Internet Explorer. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-2311?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-2311 published?: CVE-2002-2311 was published on 2002-12-31 and last updated on 2026-06-16.

References

Affected products (9)

cpe:2.3:a:microsoft:internet_explorer:5.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5.5:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:5.5:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:6.0:*:*:*:*:*:*:*
cpe:2.3:a:opera_software:opera_web_browser:6.0.1:*:*:*:*:*:*:*
cpe:2.3:a:opera_software:opera_web_browser:6.0.1:*:linux:*:*:*:*:*
cpe:2.3:a:opera_software:opera_web_browser:6.0.1:*:win32:*:*:*:*:*

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