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CVE-2017-9079

19
FAUCET Score

CVE-2017-9079 describes a local privilege escalation vulnerability in Dropbear before version 2017.75, affecting Debian Linux and Dropbear SSH. A local attacker could read arbitrary files as root if the target user's authorized_keys file contains a command= option, due to improper handling of symlinks when reading the file with root privileges. This vulnerability has a CVSS v3 score of 4.7 (Medium), indicating a low-complexity attack with high confidentiality impact, but requires local access. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2017.75CPE matchmatch criteria
cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.7MEDIUM

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.0
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
21.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 67th percentile among its peer group of 1,297 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

lists.ucc.gu.uwa.edu.au / pipermail/dropbear/2017q2/001985.html
Mailing ListPatchThird Party Advisory
security.netapp.com / advisory/ntap-20191004-0006
debian.org / security/2017/dsa-3859
Third Party Advisory