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CVE-2004-0763

24
FAUCET Score

CVE-2004-0763 describes a certificate spoofing vulnerability affecting Mozilla Firefox versions 0.9.1 and 0.9.2. Remote websites could exploit this by using redirects and JavaScript's "onunload" method to display a false security certificate for a trusted site. The vulnerability has a CVSS score of 5.0, indicating a medium severity, with a network attack vector, low attack complexity, and potential for partial integrity impact. While there is no evidence of active exploitation, exploit code for similar issues exists on ExploitDB, and the CVE has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
0.9.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.9.1:*:*:*:*:*:*:*
0.9.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:0.9.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.74%
Probability of exploitation in next 30 days
EPSS Percentile
92.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-24312 · Jul 26, 2004
This CVE's current EPSS score of 0.0574 is in the 89th percentile among its peer group of 23,701 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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

Patch Available

Vendor Patches (1)

mozillapatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2004-0763Moderate

security flaw

Jul 26, 2004

References

ftp.sco.com / pub/updates/OpenServer/SCOSA-2005.49/SCOSA-2005.49.txt
bugzilla.mozilla.org / show_bug.cgi
PatchVendor Advisory
lists.grok.org.uk / pipermail/full-disclosure/2004-July/024372.html
marc.info
marc.info
secunia.com / advisories/12160
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/16796
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3989
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9436
cipher.org.uk / index.php
gentoo.org / security/en/glsa/glsa-200408-22.xml
mozilla.org / projects/security/known-vulnerabilities.html
novell.com / linux/security/advisories/2004_36_mozilla.html
redhat.com / support/errata/RHSA-2004-421.html
securityfocus.com / bid/15495