CVE-2011-3866 json
Mozilla Firefox before 7.0 and SeaMonkey before 2.4 do not properly restrict availability of motion data events, which makes it easier for…
published 2011-09-29 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3823
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
Mozilla Firefox before 7.0 and SeaMonkey before 2.4 do not properly restrict availability of motion data events, which makes it easier for remote attackers to read keystrokes by leveraging JavaScript code running in a background tab.
Patch / fix
- mozilla seamonkey 2.4
Exploit prediction
1.37% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-264 Permissions, Privileges, and Access Controls
References
-
mozilla.org
/security/announce/2011/mfsa2011-45.html
vendor-advisory
-
bugzilla.mozilla.org
/show_bug.cgi?id=682562
issue-tracking, vendor-advisory
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13954
vdb-entry, signature, third-party-advisory
-
usenix.org
/events/hotsec11/tech/tech.html#Cai
third-party-advisory
Sources
- CVE List CVE-2011-3866
- NVD CVE-2011-3866
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.