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CVE-2004-2659

15
FAUCET Score

CVE-2004-2659 describes a race condition vulnerability in Opera browsers (and related Mozilla products) where a user-assisted remote attacker could trick a user into executing a downloaded file. This occurs by manipulating the timing of an "Open" dialog box, making the user inadvertently click "Open" while attempting a different action. The vulnerability has a CVSS score of 4.0, indicating a network-based attack with high access complexity, leading to potential partial confidentiality and integrity compromise. There is no evidence of active exploitation, readily available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:mozilla:mozilla:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:opera:opera_browser:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

AV:N/AC:H/Au:N/C:P/I:P/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.10%
Probability of exploitation in next 30 days
EPSS Percentile
62.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0110 is in the 24th percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

archives.neohapsis.com / archives/fulldisclosure/2004-07/0264.html
Broken LinkExploit
squarefree.com / 2004/07/01/race-conditions-in-security-dialogs
ExploitVendor Advisory