How severe is CVE-2017-2809?

CVE-2017-2809 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-2809 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-2809?

CVE-2017-2809 affects Ansible-vault Project Ansible-vault. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-2809?

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-2017-2809 published?

CVE-2017-2809 was published on 2017-09-14 and last updated on 2026-06-17.

CVE-2017-2809

CVE-2017-2809 is a high-severity vulnerability in Ansible-vault Project Ansible-vault with a CVSS 3.x base score of 7.5. 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-94.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 6.8
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Ansible-vault Project Ansible-vault
Published: 2017-09-14
Last modified: 2026-06-17

Description

An exploitable vulnerability exists in the yaml loading functionality of ansible-vault before 1.0.5. A specially crafted vault can execute arbitrary python commands resulting in command execution. An attacker can insert python into the vault to trigger this vulnerability.

Frequently asked questions

What is CVE-2017-2809?: An exploitable vulnerability exists in the yaml loading functionality of ansible-vault before 1.0.5. A specially crafted vault can execute arbitrary python commands resulting in command execution. An attacker can insert python into the vault to trigger this vulnerability.
How severe is CVE-2017-2809?: CVE-2017-2809 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-2809 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-2809?: CVE-2017-2809 affects Ansible-vault Project Ansible-vault. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-2809?: 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-2017-2809 published?: CVE-2017-2809 was published on 2017-09-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ansible-vault_project:ansible-vault:*:*:*:*:*:*:*:*

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