Description
OpenSSH 4.6 and earlier, when ChallengeResponseAuthentication is enabled, allows remote attackers to determine the existence of user accounts by attempting to authenticate via S/KEY, which displays a different response if the user account exists, a similar issue to CVE-2001-1483.
Metrics
CVSS 2.0 5.0/10
AV:N/AC:L/Au:N/C:P/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://lists.grok.org.uk/pipermail/full-disclosure/2007-April/053906.html
- http://lists.grok.org.uk/pipermail/full-disclosure/2007-April/053951.html
- http://securityreason.com/securityalert/2631
- http://www.osvdb.org/34600
- http://www.securityfocus.com/bid/23601
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33794
- https://security.netapp.com/advisory/ntap-20191107-0003/
- http://lists.grok.org.uk/pipermail/full-disclosure/2007-April/053906.html
- http://lists.grok.org.uk/pipermail/full-disclosure/2007-April/053951.html
- http://securityreason.com/securityalert/2631
- http://www.osvdb.org/34600
- http://www.securityfocus.com/bid/23601
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33794
- https://security.netapp.com/advisory/ntap-20191107-0003/
Timeline
- Published
- Apr 25, 2007
- Last modified
- Jun 16, 2026
- NVD status
- Modified