Unrated severityNVD Advisory· Published Apr 23, 2014· Updated Jun 16, 2026
CVE-2011-5279
CVE-2011-5279
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:a:microsoft:internet_information_services:4.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:microsoft:internet_information_services:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_information_services:5.0:*:*:*:*:*:*:*
- (no CPE)range: >= 4, <= 5
Patches
Vulnerability mechanics
References
6- seclists.org/fulldisclosure/2012/Apr/0nvdExploitMailing ListThird Party Advisory
- seclists.org/fulldisclosure/2012/Apr/13nvdExploitMailing ListThird Party Advisory
- seclists.org/fulldisclosure/2014/Apr/108nvdExploitMailing ListThird Party Advisory
- seclists.org/fulldisclosure/2014/Apr/128nvdExploitMailing ListThird Party Advisory
- seclists.org/fulldisclosure/2014/Apr/247nvdExploitMailing ListThird Party Advisory
- hi.baidu.com/yuange1975/item/b2cc7141c22108e91e19bc2envdThird Party Advisory
News mentions
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