CVE-2005-1665 json
The __VIEWSTATE functionality in Microsoft ASP.NET 1.x, when not cryptographically signed, allows remote attackers to cause a denial of ser…
published 2005-05-18 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-1667
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 40.3%
- EPSS 40.3% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
40.33% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
References
-
scottonwriting.net
/sowblog/posts/3747.aspx
vendor-advisory
-
secunia.com
/advisories/15241
third-party-advisory, vendor-advisory
-
marc.info
/?l=bugtraq&m=111513127704270&w=2
mailing-list
-
exchange.xforce.ibmcloud.com
/vulnerabilities/20408
vdb-entry
-
osvdb.org
/16195
vdb-entry
Sources
- CVE List CVE-2005-1665
- NVD CVE-2005-1665
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.