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CVE-2005-1665
The __VIEWSTATE functionality in Microsoft ASP.NET 1.x, when not cryptographically signed, allows remote attackers to cause a denial of…
Medium5.0EPSS 40.3%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The __VIEWSTATE functionality in Microsoft ASP.NET 1.x, when not cryptographically signed, allows remote attackers to cause a denial of service (CPU consumption) via deeply nested markup.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 40.3% · top 1.4% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (5)
- 20050503 ASP.NET __VIEWSTATE crypto validation prone to replay attacks (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- ms-aspnet-viewstate-dos(20408) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://scottonwriting.net/sowblog/posts/3747.aspx (opens in a new tab)x_refsource_MISCx_transferred
- 16195 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 15241 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2005-1665)Record last updated .