HIGH
An exploitable vulnerability exists in the yaml loading functionality of ansible-vault before 1.0.5
Published Sep 14, 2017
8.5
HIGHCVSS 4.0
EPSS 2.99%
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.
Affected products
-
- Version 1.0.4StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Tomohiro Nakamura | Ansible-Vault | n/a |
|
- ≤ 1.0.4
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
8.5 HIGH GHSA
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Attack Vector Local
Attack Complexity Low
Attack Requirements None
Privileges Required None
User Interaction Passive
Vulnerable System Confidentiality High
Vulnerable System Integrity High
Vulnerable System Availability High
Subsequent System Confidentiality None
Subsequent System Integrity None
Subsequent System Availability None
No CVSS v3.1 score for this CVE.
7.8 HIGH NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
1 other source (CVE.org) ▾
7.5 HIGH CVE.org
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.99% 0.02991
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02991
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.99% (0.02991) | 86.86th | v5 (v2026.06.15) |
| Sep 22, 2026 | 2.99% (0.02991) | 86.74th | v5 (v2026.06.15) |
| Sep 21, 2026 | 4.19% (0.04192) | 90.52th | v5 (v2026.06.15) |
| Sep 6, 2026 | 2.99% (0.02991) | 86.44th | v5 (v2026.06.15) |
| Sep 5, 2026 | 4.19% (0.04192) | 90.31th | v5 (v2026.06.15) |
| Aug 30, 2026 | 2.99% (0.02991) | 86.37th | v5 (v2026.06.15) |
| Aug 28, 2026 | 4.19% (0.04192) | 90.25th | v5 (v2026.06.15) |
| Aug 24, 2026 | 2.99% (0.02991) | 86.29th | v5 (v2026.06.15) |
| Aug 23, 2026 | 4.19% (0.04192) | 90.21th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.97% (0.02967) | 85.41th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.71% (0.00709) | 69.89th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.00% (0.02004) | 72.85th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.71% (0.00709) | 70.53th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.47% (0.00470) | 76.39th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.47% (0.00470) | 74.85th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.47% (0.00470) | 71.76th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.60% (0.01603) | 75.67th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.56% (0.01559) | 51.96th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.18% (0.02177) | 50.59th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.18% (0.02177) | 0.00th | v1 |
Weaknesses (1)
References (9)
- http://www.securityfocus.com/bid/100824 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://github.com/advisories/GHSA-c2w9-48qc-qpj4 Advisory
- https://github.com/pypa/advisory-database/tree/main/vulns/ansible-vault/PYSEC-2017-5.yaml
- https://github.com/tomoh1r/ansible-vault/blob/v1.0.5/CHANGES.txt x_refsource_CONFIRMThird Party Advisory
- https://github.com/tomoh1r/ansible-vault/commit/3f8f659ef443ab870bb19f95d43543470168ae04 x_refsource_CONFIRMThird Party Advisory
- https://github.com/tomoh1r/ansible-vault/issues/4 x_refsource_CONFIRMThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-2809
- https://web.archive.org/web/20171206173637/http://www.securityfocus.com/bid/100824
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0305 x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/100824 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://github.com/advisories/GHSA-c2w9-48qc-qpj4 | Advisory | |
| https://github.com/pypa/advisory-database/tree/main/vulns/ansible-vault/PYSEC-2017-5.yaml | ||
| https://github.com/tomoh1r/ansible-vault/blob/v1.0.5/CHANGES.txt | x_refsource_CONFIRMThird Party Advisory | |
| https://github.com/tomoh1r/ansible-vault/commit/3f8f659ef443ab870bb19f95d43543470168ae04 | x_refsource_CONFIRMThird Party Advisory | |
| https://github.com/tomoh1r/ansible-vault/issues/4 | x_refsource_CONFIRMThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-2809 | ||
| https://web.archive.org/web/20171206173637/http://www.securityfocus.com/bid/100824 | ||
| https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0305 | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner talos
Published Sep 14, 2017
Updated Sep 16, 2024
Reserved Dec 1, 2016
Link CVE-2017-2809
CISA Vulnrichment
GHSA-C2W9-48QC-QPJ4 Updated n/a