CVE-2011-0721
MEDIUM · CVSS 6.4EPSS 2.3%EU EUVD
Multiple CRLF injection vulnerabilities in (1) chfn and (2) chsh in shadow 1:4.1.4 allow local users to add new users or groups to /etc/passwd via the GECOS field.
Key facts
- CVSS score
- 6.4 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:P/A:P- Weakness (CWE)
- CWE-20
- EPSS score
- 2.3% (83th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-0735)
- Published
- February 19, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-0735 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- debian / shadow
References
- http://osvdb.org/70895
- http://secunia.com/advisories/42505(Vendor Advisory)
- http://secunia.com/advisories/43345(Vendor Advisory)
- http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.380014
- http://www.debian.org/security/2011/dsa-2164
- http://www.securityfocus.com/bid/46426
- http://www.ubuntu.com/usn/USN-1065-1
- http://www.vupen.com/english/advisories/2011/0396(Vendor Advisory)
- http://www.vupen.com/english/advisories/2011/0398(Vendor Advisory)
- http://www.vupen.com/english/advisories/2011/0773
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65564
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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