5.0med

CVE-2007-2243

OpenSSH 4.6 and earlier, when ChallengeResponseAuthentication is enabled, allows remote attackers to determine the existence of user accoun…

Published 19 y ago · modified 4 mo ago · JSON

CVSS
5.0
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.4%
percentile 84%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

2.40% probability of exploitation in the next 30 days, higher than 84% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.05.0AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness

References

  • lists.grok.org.uk /pipermail/full-disclosure/2007-April/053906.html · mailing-list, x_refsource_FULLDISC, x_transferred
  • securityfocus.com /bid/23601 · vdb-entry, x_refsource_BID, x_transferred
  • securityreason.com /securityalert/2631 · third-party-advisory, x_refsource_SREASON, x_transferred
  • osvdb.org /34600 · vdb-entry, x_refsource_OSVDB, x_transferred
  • exchange.xforce.ibmcloud.com /vulnerabilities/33794 · vdb-entry, x_refsource_XF, x_transferred
  • lists.grok.org.uk /pipermail/full-disclosure/2007-April/053951.html · mailing-list, x_refsource_FULLDISC, x_transferred
  • security.netapp.com /advisory/ntap-20191107-0003/ · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.