CVE-2004-2659
Opera offers an Open button to verify that a user wishes to execute a downloaded file, which...
Opera offers an Open button to verify that a user wishes to execute a downloaded file, which allows user-assisted remote attackers to construct a race condition that tricks a user into clicking Open via a request for a different mouse or keyboard action very shortly before the Open dialog appears. NOTE: this is a different issue than CVE-2005-2407.
Exploit likelihood
What each source reports
NVD Score used
Opera offers an Open button to verify that a user wishes to execute a downloaded file, which allows user-assisted remote attackers to construct a race condition that tricks a user into clicking Open via a request for a different mouse or keyboard action very shortly before the Open dialog appears. NOTE: this is a different issue than CVE-2005-2407.
- Record
CVE-2004-2659- CVSS 2.0
- 4.0 Medium
AV:N/AC:H/Au:N/C:P/I:P/A:N - Weakness
- CWE-362
- Updated
- 2026-11-02
CVE List No score
Opera offers an Open button to verify that a user wishes to execute a downloaded file, which allows user-assisted remote attackers to construct a race condition that tricks a user into clicking Open via a request for a different mouse or keyboard action very shortly before the Open dialog appears. NOTE: this is a different issue than CVE-2005-2407.
- Record
CVE-2004-2659- Updated
- 2026-11-02
EUVDEUVD-2004-2649 No score
Opera offers an Open button to verify that a user wishes to execute a downloaded file, which allows user-assisted remote attackers to construct a race condition that tricks a user into clicking Open via a request for a different mouse or keyboard action very shortly before the Open dialog appears. NOTE: this is a different issue than CVE-2005-2407.
- Record
EUVD-2004-2649- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5hgg-xq5w-5m82 No score
Opera offers an Open button to verify that a user wishes to execute a downloaded file, which...
Opera offers an Open button to verify that a user wishes to execute a downloaded file, which allows user-assisted remote attackers to construct a race condition that tricks a user into clicking Open via a request for a different mouse or keyboard action very shortly before the Open dialog appears. NOTE: this is a different issue than CVE-2005-2407.
- Record
GHSA-5hgg-xq5w-5m82- Weakness
- CWE-362
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2004-2659 is a medium vulnerability (CVSS 4.0) in Mozilla, published December 31, 2004. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.12%, the 66th percentile. No source names a fixed version.