MEDIUM
CVE-2016-7409
CWE-200Published: March 3, 2017· Updated: Jun 17, 2026
5.5
CVSS v3.1
Official Description
The dbclient and server in Dropbear SSH before 2016.74, when compiled with DEBUG_TRACE, allows local users to read process memory via the -v argument, related to a failed remote ident.
Technical Analysis
CVE-2016-7409 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 5.5.
From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Vendors & Products
dropbear_ssh_project1 product(s)
dropbear ssh
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (10)
→
http://www.openwall.com/lists/oss-security/2016/09/15/2Mailing List · Patch · Third Party Advisory
→
http://www.securityfocus.com/bid/92973Third Party Advisory · VDB Entry
→
https://bugzilla.redhat.com/show_bug.cgi?id=1376353Issue Tracking
→
https://secure.ucc.asn.au/hg/dropbear/rev/6a14b1f6dc04Issue Tracking · Patch · Third Party Advisory
→
https://security.gentoo.org/glsa/201702-23Patch · Third Party Advisory · VDB Entry
→
http://www.openwall.com/lists/oss-security/2016/09/15/2Mailing List · Patch · Third Party Advisory
→
http://www.securityfocus.com/bid/92973Third Party Advisory · VDB Entry
→
https://bugzilla.redhat.com/show_bug.cgi?id=1376353Issue Tracking
→
https://secure.ucc.asn.au/hg/dropbear/rev/6a14b1f6dc04Issue Tracking · Patch · Third Party Advisory
→
https://security.gentoo.org/glsa/201702-23Patch · Third Party Advisory · VDB Entry
Quick Facts
CVE IDCVE-2016-7409
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-200
CISA KEVNo
Affected1 vendor(s)
PublishedMar 3, 2017
Related CVEs (CWE-200)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2016-7409 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.