CVE-2013-4434
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 5.74% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 92.8% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2013-10-25 23:00Z13 YR AGO
- Last updated
- 2024-08-06 16:45Z2 YR AGO
- Reserved
- 2013-06-12
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 3fea9977f5d3fd2de70c95cd1a5bac9b574190c3429d29ff8b11b6660a43afda
05 Affected products
06 References
- secunia.com55173http://secunia.com/advisories/55173
- matt.ucc.asn.auhttps://matt.ucc.asn.au/dropbear/CHANGES
- www.securityfocus.com62993http://www.securityfocus.com/bid/62993
- www.openwall.com[oss-security] 20131015 Re: CVE Request: dropbear sshd daemon 2013.59 releasehttp://www.openwall.com/lists/oss-security/2013/10/16/11
- lists.opensuse.orgopenSUSE-SU-2013:1696http://lists.opensuse.org/opensuse-updates/2013-11/msg00046.html
- support.citrix.comhttps://support.citrix.com/article/CTX216642
- lists.opensuse.orgopenSUSE-SU-2013:1616http://lists.opensuse.org/opensuse-updates/2013-10/msg00061.html
- secure.ucc.asn.auhttps://secure.ucc.asn.au/hg/dropbear/rev/d7784616409a
07 Fixed in
Debian 12
- dropbear Fixed in 2012.55-1.4
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- dropbear Fixed in 2012.55-1.4
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- dropbear Fixed in 2012.55-1.4
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.