VsaVb7rt.dll in Microsoft .NET Framework 2.0 SP2 and 3.5.1 does not implement the ASLR protection mechanism, which makes it easier for remote attackers to execute arbitrary code via a crafted web site, as exploited in the wild in February 2014, aka "VSAVB7RT ASLR Vulnerability."
Published Feb 12, 2014
4.3
MEDIUMCVSS 2.0
EPSS 13.77%
Description
VsaVb7rt.dll in Microsoft .NET Framework 2.0 SP2 and 3.5.1 does not implement the ASLR protection mechanism, which makes it easier for remote attackers to execute arbitrary code via a crafted web site, as exploited in the wild in February 2014, aka "VSAVB7RT ASLR Vulnerability."
Affected products
No data.
- 2.0
- 3.5.1
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:N/I:P/A:N
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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 13.77% (0.13768) | 96.40th | v5 (v2026.06.15) |
| Jun 15, 2026 | 13.77% (0.13768) | 96.02th | v5 (v2026.06.15) |
| Mar 10, 2026 | 25.47% (0.25470) | 96.12th | v4 (v2025.03.14) |
| Mar 30, 2025 | 19.79% (0.19786) | 94.97th | v4 (v2025.03.14) |
| Mar 29, 2025 | 37.76% (0.37764) | 95.75th | v4 (v2025.03.14) |
| Mar 17, 2025 | 19.93% (0.19934) | 95.00th | v4 (v2025.03.14) |
| Mar 8, 2025 | 5.54% (0.05544) | 93.29th | v3 (v2023.03.01) |
| Dec 17, 2024 | 4.49% (0.04490) | 92.36th | v3 (v2023.03.01) |
| Dec 12, 2024 | 2.45% (0.02452) | 90.42th | v3 (v2023.03.01) |
| May 18, 2024 | 3.43% (0.03434) | 91.47th | v3 (v2023.03.01) |
| Mar 31, 2024 | 2.58% (0.02578) | 90.01th | v3 (v2023.03.01) |
| Feb 11, 2024 | 2.33% (0.02332) | 89.40th | v3 (v2023.03.01) |
| Dec 25, 2023 | 2.15% (0.02147) | 88.11th | v3 (v2023.03.01) |
| Mar 8, 2023 | 1.79% (0.01794) | 86.19th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.63% (0.02628) | 88.67th | v3 (v2023.03.01) |
| Mar 6, 2023 | 49.48% (0.49485) | 98.66th | v2 (v2022.01.01) |
| Feb 4, 2022 | 49.48% (0.49485) | 98.19th | v2 (v2022.01.01) |
References (6)
- http://osvdb.org/103164 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/56793 third-party-advisoryx_refsource_SECUNIA
- http://www.greyhathacker.net/?p=585 x_refsource_MISCExploit
- http://www.securityfocus.com/bid/65418 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1029745 vdb-entryx_refsource_SECTRACK
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-009 vendor-advisoryx_refsource_MS
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/103164 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/56793 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.greyhathacker.net/?p=585 | x_refsource_MISCExploit | |
| http://www.securityfocus.com/bid/65418 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1029745 | vdb-entryx_refsource_SECTRACK | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-009 | vendor-advisoryx_refsource_MS |
Change history (0)
No recorded changes yet.