CVE-2011-0721 describes multiple CRLF injection vulnerabilities within the chfn and chsh utilities in shadow version 1:4.1.4, specifically affecting Debian systems. An attacker can exploit these flaws by manipulating the GECOS field to inject new user or group entries into the /etc/passwd file. This vulnerability has a CVSS score of 6.4, indicating a medium severity with low attack complexity and potential for partial integrity and availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1\:4.1.4CPE matchmatch criteria | cpe:2.3:a:debian:shadow:1\:4.1.4:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:P/A:P
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