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CVE-2010-3399

19
FAUCET Score

CVE-2010-3399 describes a weakness in the JavaScript random number generator within Mozilla Firefox versions 3.5.10-3.5.11, 3.6.4-3.6.8, and 4.0 Beta1, where an attacker could more easily guess the seed value due to predictable seeding. This vulnerability has a CVSS score of 5.8, indicating medium severity, as it could lead to partial compromise of confidentiality and integrity with moderate attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.5.10CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.5.10:*:*:*:*:*:*:*
3.5.11CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.5.11:*:*:*:*:*:*:*
3.6.4CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.6.4:*:*:*:*:*:*:*
3.6.6CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.6.6:*:*:*:*:*:*:*
3.6.7CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.6.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.91%
Probability of exploitation in next 30 days
EPSS Percentile
77.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0191 is in the 60th 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/bugtraq/2010-09/0117.html
blogs.sun.com / security/entry/multiple_vulnerabilities_in_mozilla_firefox
bugzilla.mozilla.org / show_bug.cgi
bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/42867
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7598
trusteer.com / sites/default/files/Cross_domain_Math_Random_leakage_in_FF_3.6.4-3.6.8.pdf
Exploit
vupen.com / english/advisories/2011/0061