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CVE-2011-1977

24
FAUCET Score

CVE-2011-1977 describes an information disclosure vulnerability in Microsoft ASP.NET Chart controls for .NET Framework 4 and Chart Control for .NET Framework 3.5 SP1, affecting various Windows operating systems. This flaw allows remote attackers to read arbitrary files by manipulating URIs with special characters in HTTP requests, due to improper function verification. With a CVSS score of 4.3 (medium severity), it has a network-based attack vector and medium attack complexity, resulting in a potential impact of confidentiality loss. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
4.0CPE matchmatch criteria
cpe:2.3:a:microsoft:.net_framework:4.0:*:*:*:*:*:*:*
3.5CPE matchmatch criteria
cpe:2.3:a:microsoft:chart_control_for_microsoft_.net_framework:3.5:sp1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
21.37%
Probability of exploitation in next 30 days
EPSS Percentile
97.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.2137 is in the 98th percentile among its peer group of 19,954 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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

docs.microsoft.com / en-us/security-updates/securitybulletins/2011/ms11-066
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12970
us-cert.gov / cas/techalerts/TA11-221A.html
US Government Resource