The __VIEWSTATE functionality in Microsoft ASP.NET 1.x allows remote attackers to conduct replay attacks to (1) apply a ViewState generated from one view to a different view, (2) reuse ViewState information after the application's state has changed, or (3) use the ViewState to conduct attacks or expose content to third parties
Published May 18, 2005
6.4
MEDIUMCVSS 2.0
EPSS 18.85%
Description
The __VIEWSTATE functionality in Microsoft ASP.NET 1.x allows remote attackers to conduct replay attacks to (1) apply a ViewState generated from one view to a different view, (2) reuse ViewState information after the application's state has changed, or (3) use the ViewState to conduct attacks or expose content to third parties.
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.
AV:N/AC:L/Au:N/C:P/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 | 18.85% (0.18847) | 97.21th | v5 (v2026.06.15) |
| Jun 15, 2026 | 18.85% (0.18847) | 96.91th | v5 (v2026.06.15) |
| Dec 28, 2025 | 22.02% (0.22025) | 95.59th | v4 (v2025.03.14) |
| Dec 27, 2025 | 19.65% (0.19652) | 95.25th | v4 (v2025.03.14) |
| Oct 28, 2025 | 22.02% (0.22025) | 95.53th | v4 (v2025.03.14) |
| Oct 27, 2025 | 19.65% (0.19652) | 95.18th | v4 (v2025.03.14) |
| Oct 1, 2025 | 22.02% (0.22025) | 95.61th | v4 (v2025.03.14) |
| Jun 16, 2025 | 19.65% (0.19652) | 95.10th | v4 (v2025.03.14) |
| Mar 30, 2025 | 30.12% (0.30118) | 96.27th | v4 (v2025.03.14) |
| Mar 29, 2025 | 31.73% (0.31726) | 94.97th | v4 (v2025.03.14) |
| Mar 23, 2025 | 30.12% (0.30118) | 96.12th | v4 (v2025.03.14) |
| Mar 19, 2025 | 28.63% (0.28634) | 95.93th | v4 (v2025.03.14) |
| Mar 17, 2025 | 32.02% (0.32019) | 96.43th | v4 (v2025.03.14) |
| Dec 17, 2024 | 17.93% (0.17934) | 96.15th | v3 (v2023.03.01) |
| Nov 23, 2024 | 7.47% (0.07472) | 94.34th | v3 (v2023.03.01) |
| Apr 24, 2024 | 11.32% (0.11322) | 95.13th | v3 (v2023.03.01) |
| Sep 7, 2023 | 10.33% (0.10328) | 94.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 6.45% (0.06446) | 92.55th | v3 (v2023.03.01) |
| Mar 6, 2023 | 19.47% (0.19474) | 96.40th | v2 (v2022.01.01) |
| Apr 1, 2022 | 19.47% (0.19474) | 96.06th | v2 (v2022.01.01) |
| Feb 4, 2022 | 19.47% (0.19474) | 93.87th | v2 (v2022.01.01) |
No CWE recorded.
References (6)
- http://marc.info/?l=bugtraq&m=111513127704270&w=2 mailing-listx_refsource_BUGTRAQ
- http://marc.info/?l=bugtraq&m=111532887612517&w=2 mailing-listx_refsource_BUGTRAQ
- http://scottonwriting.net/sowblog/posts/3747.aspx x_refsource_MISC
- http://secunia.com/advisories/15241 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.osvdb.org/16196 vdb-entryx_refsource_OSVDB
- https://exchange.xforce.ibmcloud.com/vulnerabilities/20409 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://marc.info/?l=bugtraq&m=111513127704270&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://marc.info/?l=bugtraq&m=111532887612517&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://scottonwriting.net/sowblog/posts/3747.aspx | x_refsource_MISC | |
| http://secunia.com/advisories/15241 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.osvdb.org/16196 | vdb-entryx_refsource_OSVDB | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/20409 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.