SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

HIGH 8.8EPSS 5.47%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (5.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
5.47% probability · 93th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-415
Affected
dropbear ssh project/dropbear ssh · debian/debian linux · netapp/h410c firmware
Source
cve@mitre.org
EPSS trend
0%5%10%27 October 2026: 5.47%27 October 202627 October 2026

EPSS 5.5% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.