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CVE-2005-1665

31
FAUCET Score

CVE-2005-1665 describes a denial-of-service vulnerability affecting Microsoft ASP.NET 1.x. When the __VIEWSTATE functionality is not cryptographically signed, remote attackers can exploit this by sending deeply nested markup, leading to high CPU consumption. This vulnerability has a CVSS score of 5.0, indicating a medium severity, with a low attack complexity and no authentication required, resulting in a potential impact of partial denial of service. There is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:microsoft:asp.net:1.0:*:*:*:*:*:*:*
1.1CPE matchmatch criteria
cpe:2.3:a:microsoft:asp.net:1.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
40.33%
Probability of exploitation in next 30 days
EPSS Percentile
98.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.4033 is in the 99th percentile among its peer group of 23,690 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

marc.info
scottonwriting.net / sowblog/posts/3747.aspx
Vendor Advisory
secunia.com / advisories/15241
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/20408
osvdb.org / 16195