Search for vulnerabilities
Vulnerability details: VCID-x35j-17sk-aaaj
Vulnerability ID VCID-x35j-17sk-aaaj
Aliases CVE-2013-4434
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-189 Numeric Errors
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2013/CVE-2013-4434.html
epss 0.00624 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.00624 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.00624 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.00624 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02117 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02117 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02117 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02117 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02117 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02117 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02117 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02117 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02117 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02117 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02117 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02117 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02131 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02131 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02131 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02131 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02131 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02131 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02131 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.02131 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.03905 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
epss 0.58247 https://api.first.org/data/v1/epss?cve=CVE-2013-4434
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4434
cvssv3.1 5.9 https://matt.ucc.asn.au/dropbear/CHANGES
generic_textual MODERATE https://matt.ucc.asn.au/dropbear/CHANGES
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2013-4434
Reference id Reference type URL
http://lists.opensuse.org/opensuse-updates/2013-10/msg00061.html
http://lists.opensuse.org/opensuse-updates/2013-11/msg00046.html
http://people.canonical.com/~ubuntu-security/cve/2013/CVE-2013-4434.html
https://api.first.org/data/v1/epss?cve=CVE-2013-4434
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4434
http://secunia.com/advisories/55173
https://matt.ucc.asn.au/dropbear/CHANGES
https://secure.ucc.asn.au/hg/dropbear/rev/d7784616409a
https://support.citrix.com/article/CTX216642
http://www.openwall.com/lists/oss-security/2013/10/16/11
http://www.securityfocus.com/bid/62993
726118 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=726118
cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:*
CVE-2013-4434 https://nvd.nist.gov/vuln/detail/CVE-2013-4434
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://matt.ucc.asn.au/dropbear/CHANGES
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2013-4434
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Exploit Prediction Scoring System (EPSS)
Percentile 0.78733
EPSS Score 0.00624
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.