Microsoft .NET Framework 2.0 SP1 and SP2, 3.5 Gold and SP1, 3.5.1, and 4.0, and Silverlight 4 before 4.0.60531.0, does not properly validate arguments to unspecified networking API functions, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (aka XBAP), (2) a crafted ASP.NET application, (3) a crafted .NET Framework application, or (4) a crafted Silverlight application, aka ".NET Framework Array Offset Vulnerability."
Published Jun 16, 2011
9.3
HIGHCVSS 2.0
EPSS 16.01%
Description
Microsoft .NET Framework 2.0 SP1 and SP2, 3.5 Gold and SP1, 3.5.1, and 4.0, and Silverlight 4 before 4.0.60531.0, does not properly validate arguments to unspecified networking API functions, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (aka XBAP), (2) a crafted ASP.NET application, (3) a crafted .NET Framework application, or (4) a crafted Silverlight application, aka ".NET Framework Array Offset Vulnerability."
Affected products
No data.
Configuration 1
- 4.0
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- r2
- r2
- n/a
- n/a
- n/a
- n/a
Configuration 2
- 3.5.1
Running on/with
- n/a
- r2
- r2
Configuration 3
- 2.0
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
Configuration 4
- 3.5
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
Configuration 5
- 2.0
Running on/with
- n/a
- n/a
- n/a
- n/a
Configuration 6
- 3.5
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
Configuration 7
- 4.0.60310.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
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.
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 16.01% (0.16006) | 96.81th | v5 (v2026.06.15) |
| Jun 15, 2026 | 16.01% (0.16006) | 96.48th | v5 (v2026.06.15) |
| Dec 28, 2025 | 11.19% (0.11190) | 93.26th | v4 (v2025.03.14) |
| Dec 27, 2025 | 19.10% (0.19099) | 95.16th | v4 (v2025.03.14) |
| Oct 28, 2025 | 11.19% (0.11190) | 93.16th | v4 (v2025.03.14) |
| Oct 27, 2025 | 19.10% (0.19099) | 95.08th | v4 (v2025.03.14) |
| Oct 1, 2025 | 11.19% (0.11190) | 93.27th | v4 (v2025.03.14) |
| Mar 30, 2025 | 19.10% (0.19099) | 94.85th | v4 (v2025.03.14) |
| Mar 29, 2025 | 26.52% (0.26520) | 94.10th | v4 (v2025.03.14) |
| Mar 17, 2025 | 19.10% (0.19099) | 94.86th | v4 (v2025.03.14) |
| Dec 12, 2024 | 26.13% (0.26133) | 96.90th | v3 (v2023.03.01) |
| Feb 4, 2024 | 26.13% (0.26133) | 96.31th | v3 (v2023.03.01) |
| Dec 15, 2023 | 23.97% (0.23967) | 96.15th | v3 (v2023.03.01) |
| Oct 23, 2023 | 34.86% (0.34860) | 96.63th | v3 (v2023.03.01) |
| Aug 29, 2023 | 27.89% (0.27886) | 96.22th | v3 (v2023.03.01) |
| Jul 5, 2023 | 22.46% (0.22464) | 95.84th | v3 (v2023.03.01) |
| May 12, 2023 | 19.65% (0.19654) | 95.56th | v3 (v2023.03.01) |
| Mar 15, 2023 | 24.39% (0.24385) | 95.85th | v3 (v2023.03.01) |
| Mar 7, 2023 | 24.76% (0.24756) | 95.87th | v3 (v2023.03.01) |
| Mar 6, 2023 | 36.83% (0.36829) | 97.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 36.83% (0.36829) | 97.01th | v2 (v2022.01.01) |
References (2)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-039 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12105 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-039 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12105 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.