The Common Language Runtime (CLR) in Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not properly check signatures, which allows remote attackers to make undetected changes to signed XML documents via unspecified vectors that preserve signature validity, aka "XML Digital Signature Spoofing Vulnerability."
Published May 15, 2013
5.0
MEDIUMCVSS 2.0
EPSS 19.26%
Description
The Common Language Runtime (CLR) in Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not properly check signatures, which allows remote attackers to make undetected changes to signed XML documents via unspecified vectors that preserve signature validity, aka "XML Digital Signature Spoofing Vulnerability."
Affected products
No data.
- 2.0
- 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: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 (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 19.26% (0.19263) | 97.26th | v5 (v2026.06.15) |
| Jun 15, 2026 | 19.26% (0.19263) | 96.98th | v5 (v2026.06.15) |
| Oct 18, 2025 | 60.24% (0.60243) | 98.16th | v4 (v2025.03.14) |
| Mar 30, 2025 | 71.34% (0.71344) | 98.63th | v4 (v2025.03.14) |
| Mar 29, 2025 | 75.26% (0.75258) | 98.54th | v4 (v2025.03.14) |
| Mar 19, 2025 | 71.34% (0.71344) | 98.60th | v4 (v2025.03.14) |
| Mar 17, 2025 | 76.63% (0.76628) | 98.89th | v4 (v2025.03.14) |
| Dec 17, 2024 | 94.31% (0.94315) | 99.39th | v3 (v2023.03.01) |
| Oct 10, 2024 | 84.75% (0.84748) | 98.57th | v3 (v2023.03.01) |
| Jun 8, 2024 | 90.95% (0.90952) | 98.86th | v3 (v2023.03.01) |
| Apr 4, 2024 | 90.35% (0.90353) | 98.76th | v3 (v2023.03.01) |
| Jan 30, 2024 | 89.33% (0.89331) | 98.52th | v3 (v2023.03.01) |
| Nov 30, 2023 | 90.18% (0.90181) | 98.50th | v3 (v2023.03.01) |
| Oct 7, 2023 | 87.88% (0.87879) | 98.29th | v3 (v2023.03.01) |
| Aug 18, 2023 | 86.20% (0.86203) | 98.13th | v3 (v2023.03.01) |
| Jul 1, 2023 | 87.53% (0.87530) | 98.15th | v3 (v2023.03.01) |
| May 13, 2023 | 93.64% (0.93641) | 98.64th | v3 (v2023.03.01) |
| Mar 27, 2023 | 95.91% (0.95915) | 99.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.73% (0.96735) | 99.38th | 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/TA13-134A third-party-advisoryx_refsource_CERTUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-040 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16559 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://www.us-cert.gov/ncas/alerts/TA13-134A | third-party-advisoryx_refsource_CERTUS Government Resource | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-040 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16559 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.