CVE-2017-2809
An exploitable vulnerability exists in the yaml loading functionality of ansible-vault before 1.0.5.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.99%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.99% probability · 87th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-94
- Affected
- ansible-vault project/ansible-vault
- Source
- talos-cna@cisco.com
EPSS moved from 4.2% on 21 September 2026 to 3.0% on 27 October 2026.
References
- http://www.securityfocus.com/bid/100824Third Party Advisory, VDB Entry
- https://github.com/tomoh1r/ansible-vault/blob/v1.0.5/CHANGES.txtThird Party Advisory
- https://github.com/tomoh1r/ansible-vault/commit/3f8f659ef443ab870bb19f95d43543470168ae04Third Party Advisory
- https://github.com/tomoh1r/ansible-vault/issues/4Third Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0305Exploit, Third Party Advisory
- http://www.securityfocus.com/bid/100824Third Party Advisory, VDB Entry
- https://github.com/tomoh1r/ansible-vault/blob/v1.0.5/CHANGES.txtThird Party Advisory
- https://github.com/tomoh1r/ansible-vault/commit/3f8f659ef443ab870bb19f95d43543470168ae04Third Party Advisory
- https://github.com/tomoh1r/ansible-vault/issues/4Third Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0305Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.