How severe is CVE-2016-8628?

CVE-2016-8628 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-8628 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8628?

CVE-2016-8628 affects Redhat Ansible. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-8628?

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-2016-8628 published?

CVE-2016-8628 was published on 2018-07-31 and last updated on 2026-06-17.

CVE-2016-8628

CVE-2016-8628 is a high-severity vulnerability in Redhat Ansible with a CVSS 3.x base score of 7.6. 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-77.

Key facts

Severity: High (CVSS 3.x base score 7.6)
CVSS v2: 9.0
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Redhat Ansible
Published: 2018-07-31
Last modified: 2026-06-17

Description

Ansible before version 2.2.0 fails to properly sanitize fact variables sent from the Ansible controller. An attacker with the ability to create special variables on the controller could execute arbitrary commands on Ansible clients as the user Ansible runs as.

Frequently asked questions

What is CVE-2016-8628?: Ansible before version 2.2.0 fails to properly sanitize fact variables sent from the Ansible controller. An attacker with the ability to create special variables on the controller could execute arbitrary commands on Ansible clients as the user Ansible runs as.
How severe is CVE-2016-8628?: CVE-2016-8628 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-8628 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8628?: CVE-2016-8628 affects Redhat Ansible. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-8628?: 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-2016-8628 published?: CVE-2016-8628 was published on 2018-07-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:redhat:ansible:*:*:*:*:*:*:*:*

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