MEDIUM · 5.0

CVE-2011-5279

CRLF injection vulnerability in the CGI implementation in Microsoft Internet Information Services (IIS) 4.x and 5.x on Windows NT and Windows 2000 allows remote attackers to modify arbitrary uppercase...

Vulnerability Description

CRLF injection vulnerability in the CGI implementation in Microsoft Internet Information Services (IIS) 4.x and 5.x on Windows NT and Windows 2000 allows remote attackers to modify arbitrary uppercase environment variables via a \n (newline) character in an HTTP header.

CVSS Score

5.0

MEDIUM

AV:N/AC:L/Au:N/C:N/I:P/A:N
Confidentiality
NONE
Integrity
PARTIAL
Availability
NONE

Affected Products

VendorProductVersions
MicrosoftInternet Information Services4.0
MicrosoftWindows 2000-
MicrosoftWindows Nt-

References

FAQ

What is CVE-2011-5279?

CVE-2011-5279 is a vulnerability with a CVSS score of 5.0 (MEDIUM). CRLF injection vulnerability in the CGI implementation in Microsoft Internet Information Services (IIS) 4.x and 5.x on Windows NT and Windows 2000 allows remote attackers to modify arbitrary uppercase...

How severe is CVE-2011-5279?

CVE-2011-5279 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2011-5279?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Internet Information Services, Microsoft Windows 2000, Microsoft Windows Nt.