CVE-2004-1491

CVE-2004-1491 is a medium-severity vulnerability in Opera Opera Browser with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Opera 7.54 and earlier uses kfmclient exec to handle unknown MIME types, which allows remote attackers to execute arbitrary code via a shortcut or launcher that contains an Exec entry.

Frequently asked questions

What is CVE-2004-1491?
Opera 7.54 and earlier uses kfmclient exec to handle unknown MIME types, which allows remote attackers to execute arbitrary code via a shortcut or launcher that contains an Exec entry.
How severe is CVE-2004-1491?
CVE-2004-1491 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-1491 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-1491?
CVE-2004-1491 primarily affects Opera Opera Browser. In total, 35 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-1491?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-1491 published?
CVE-2004-1491 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (35)

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