MEDIUM
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
Published Sep 29, 2011
4.3
MEDIUMCVSS 2.0
EPSS 1.37%
Description
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.37% 0.01368
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01368
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.37% (0.01368) | 70.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.37% (0.01368) | 68.20th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.42% (0.00418) | 59.73th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.24% (0.00243) | 64.84th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.24% (0.00243) | 63.38th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.24% (0.00243) | 60.38th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
Weaknesses (1)
References (4)
- http://www.mozilla.org/security/announce/2011/mfsa2011-45.html x_refsource_CONFIRMVendor Advisory
- http://www.usenix.org/events/hotsec11/tech/tech.html#Cai x_refsource_MISCThird Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=682562 x_refsource_CONFIRMIssue TrackingVendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13954 vdb-entrysignaturex_refsource_OVALThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.mozilla.org/security/announce/2011/mfsa2011-45.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.usenix.org/events/hotsec11/tech/tech.html#Cai | x_refsource_MISCThird Party Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=682562 | x_refsource_CONFIRMIssue TrackingVendor Advisory | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13954 | vdb-entrysignaturex_refsource_OVALThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 29, 2011
Updated Aug 6, 2024
Reserved Sep 28, 2011
Link CVE-2011-3866
CISA Vulnrichment
Updated n/a