Is CVE-2011-1977 being actively exploited?

CVE-2011-1977 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-1977?

CVE-2011-1977 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2011-1977

MEDIUM · CVSS 4.3EPSS 21.4%EU EUVD

The ASP.NET Chart controls in Microsoft .NET Framework 4, and Chart Control for Microsoft .NET Framework 3.5 SP1, do not properly verify functions in URIs, which allows remote attackers to read arbitrary files via special characters in a URI in an HTTP request, aka "Chart Control Information Disclosure Vulnerability."

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness (CWE): CWE-200
EPSS score: 21.4% (98th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-1971)
Published: August 10, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-1971 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

microsoft / .net framework
microsoft / chart control for microsoft .net framework
microsoft / windows 2003 server
microsoft / windows 7
microsoft / windows 7
microsoft / windows 7
microsoft / windows server 2003
microsoft / windows server 2008
microsoft / windows server 2008
microsoft / windows server 2008
microsoft / windows server 2008
microsoft / windows server 2008
microsoft / windows vista
microsoft / windows xp
microsoft / windows xp

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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