How severe is CVE-2016-7408?

CVE-2016-7408 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-7408 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-7408?

CVE-2016-7408 affects Dropbear Ssh Project Dropbear Ssh. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-7408?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-7408 published?

CVE-2016-7408 was published on 2017-03-03 and last updated on 2026-06-17.

CVE-2016-7408

CVE-2016-7408 is a high-severity vulnerability in Dropbear Ssh Project Dropbear Ssh with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Dropbear Ssh Project Dropbear Ssh
Published: 2017-03-03
Last modified: 2026-06-17

Description

The dbclient in Dropbear SSH before 2016.74 allows remote attackers to execute arbitrary code via a crafted (1) -m or (2) -c argument.

Frequently asked questions

What is CVE-2016-7408?: The dbclient in Dropbear SSH before 2016.74 allows remote attackers to execute arbitrary code via a crafted (1) -m or (2) -c argument.
How severe is CVE-2016-7408?: CVE-2016-7408 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-7408 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-7408?: CVE-2016-7408 affects Dropbear Ssh Project Dropbear Ssh. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-7408?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-7408 published?: CVE-2016-7408 was published on 2017-03-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:*

More vulnerabilities in Dropbear Ssh Project Dropbear Ssh

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CVE-2020-36254 — High (CVSS 8.1): scp.c in Dropbear before 2020.79 mishandles the filename of . or an empty filename, a related issue to CVE-2018-20685.
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CVE-2007-1099 — High (CVSS 7.5): dbclient in Dropbear SSH client before 0.49 does not sufficiently warn the user when it detects a hostkey mismatch,…

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