Microsoft .NET Framework 2.0 SP2, 3.5, 3.5 SP1, 3.5.1, 4, and 4.5 does not properly parse a DTD during XML digital-signature validation, which allows remote attackers to cause a denial of service (application crash or hang) via a crafted signed XML document, aka "Entity Expansion Vulnerability."
Published Oct 9, 2013
7.8
HIGHCVSS 2.0
EPSS 30.61%
Description
Microsoft .NET Framework 2.0 SP2, 3.5, 3.5 SP1, 3.5.1, 4, and 4.5 does not properly parse a DTD during XML digital-signature validation, which allows remote attackers to cause a denial of service (application crash or hang) via a crafted signed XML document, aka "Entity Expansion Vulnerability."
Affected products
No data.
- 2.0
- 3.5
- 3.5
- 3.5.1
- 4.0
- 4.5
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:L/Au:N/C:N/I:N/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 2, 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 (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 30.61% (0.30612) | 98.19th | v5 (v2026.06.15) |
| Aug 23, 2026 | 30.61% (0.30612) | 98.15th | v5 (v2026.06.15) |
| Jun 15, 2026 | 31.65% (0.31646) | 98.06th | v5 (v2026.06.15) |
| Mar 30, 2025 | 63.82% (0.63818) | 98.27th | v4 (v2025.03.14) |
| Mar 29, 2025 | 54.38% (0.54380) | 97.13th | v4 (v2025.03.14) |
| Mar 19, 2025 | 63.82% (0.63818) | 98.23th | v4 (v2025.03.14) |
| Mar 17, 2025 | 65.43% (0.65429) | 98.34th | v4 (v2025.03.14) |
| Mar 6, 2025 | 50.82% (0.50823) | 97.73th | v3 (v2023.03.01) |
| Dec 17, 2024 | 60.15% (0.60146) | 97.92th | v3 (v2023.03.01) |
| Nov 2, 2024 | 30.13% (0.30128) | 97.02th | v3 (v2023.03.01) |
| Jun 26, 2024 | 27.11% (0.27107) | 96.81th | v3 (v2023.03.01) |
| Apr 26, 2024 | 30.13% (0.30128) | 96.87th | v3 (v2023.03.01) |
| Mar 3, 2024 | 26.06% (0.26064) | 96.58th | v3 (v2023.03.01) |
| Jan 13, 2024 | 20.21% (0.20206) | 95.91th | v3 (v2023.03.01) |
| Nov 26, 2023 | 26.06% (0.26064) | 96.25th | v3 (v2023.03.01) |
| Oct 8, 2023 | 79.63% (0.79630) | 97.91th | v3 (v2023.03.01) |
| Aug 22, 2023 | 90.21% (0.90206) | 98.38th | v3 (v2023.03.01) |
| Jul 6, 2023 | 94.74% (0.94739) | 98.89th | v3 (v2023.03.01) |
| May 22, 2023 | 94.30% (0.94297) | 98.75th | v3 (v2023.03.01) |
| Apr 5, 2023 | 94.73% (0.94733) | 98.77th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.71% (0.96714) | 99.37th | v3 (v2023.03.01) |
| Mar 6, 2023 | 29.80% (0.29797) | 97.49th | v2 (v2022.01.01) |
| Feb 4, 2022 | 29.80% (0.29797) | 96.29th | v2 (v2022.01.01) |
References (3)
- http://www.us-cert.gov/ncas/alerts/TA13-288A third-party-advisoryx_refsource_CERTUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-082 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18517 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://www.us-cert.gov/ncas/alerts/TA13-288A | third-party-advisoryx_refsource_CERTUS Government Resource | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-082 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18517 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.