VULNERABILITY INTELLIGENCE
CVE-2013-4434
CVSS score5 MEDIUM
EPSS probability5.75%
CISA KEVNot currently listed
Published2013-10-25
Last modified2026-06-16
Description
Dropbear SSH Server before 2013.59 generates error messages for a failed logon attempt with different time delays depending on whether the user account exists, which allows remote attackers to discover valid usernames.