CVE-2017-9078

Name: CVE-2017-9078
Creator: NVD / NIST
Published: 2017-05-19T14:29:00.28+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 5.14%

Last modified Jun 17, 2026

CVE-2017-9078 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The server in Dropbear before 2017.75 might allow post-authentication root remote code execution because of a double free in cleanup of TCP listeners when the -a option is enabled.. EPSS estimates a 5.14% chance of exploitation in the next 30 days.

Description

The server in Dropbear before 2017.75 might allow post-authentication root remote code execution because of a double free in cleanup of TCP listeners when the -a option is enabled.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

5.14%

91.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-415

Affected Software

Vendor	Product	Versions
Dropbear Ssh Project	Dropbear Ssh	< 2017.75
Debian	Debian Linux	8.0
Netapp	H410c Firmware	All versions

References

http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2017q2/001985.htmlMailing List, Patch, Third Party Advisory
http://www.debian.org/security/2017/dsa-3859Third Party Advisory
https://security.netapp.com/advisory/ntap-20191004-0006/Third Party Advisory
http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2017q2/001985.htmlMailing List, Patch, Third Party Advisory
http://www.debian.org/security/2017/dsa-3859Third Party Advisory
https://security.netapp.com/advisory/ntap-20191004-0006/Third Party Advisory

Timeline

Published: May 19, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-9078?

The server in Dropbear before 2017.75 might allow post-authentication root remote code execution because of a double free in cleanup of TCP listeners when the -a option is enabled.

How severe is CVE-2017-9078?

CVE-2017-9078 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 5.14% probability of exploitation in the next 30 days.

How do I fix CVE-2017-9078?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-9078?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST