An exploitable vulnerability exists in the YAML parsing functionality in the YAMLParser method in Interfaces.py in PyAnyAPI before 0.6.1
Published Nov 8, 2017
9.3
CRITICALCVSS 4.0
EPSS 3.62%
Description
An exploitable vulnerability exists in the YAML parsing functionality in the YAMLParser method in Interfaces.py in PyAnyAPI before 0.6.1. A YAML parser can execute arbitrary Python commands resulting in command execution because load is used where safe_load should have been used. An attacker can insert Python into loaded YAML to trigger this vulnerability.
Affected products
No data.
- < 0.6.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.62% (0.03620) | 89.16th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.59% (0.03589) | 87.90th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.25% (0.01253) | 77.51th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.45% (0.03448) | 78.97th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.25% (0.01253) | 77.98th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.34% (0.00340) | 72.26th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.34% (0.00340) | 70.61th | v3 (v2023.03.01) |
| Oct 18, 2023 | 0.34% (0.00340) | 68.15th | v3 (v2023.03.01) |
| May 10, 2023 | 0.34% (0.00345) | 67.34th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.38% (0.00379) | 68.67th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.58% (0.02578) | 82.08th | v2 (v2022.01.01) |
| Aug 4, 2022 | 2.58% (0.02578) | 81.04th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.51% (0.02509) | 80.08th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.51% (0.02509) | 58.60th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.82% (0.01819) | 35.19th | v1 |
| Jan 6, 2022 | 1.82% (0.01819) | 34.49th | v1 |
| Sep 1, 2021 | 1.82% (0.01819) | 74.60th | v1 |
| Apr 14, 2021 | 1.82% (0.01819) | 0.00th | v1 |
References (8)
- https://github.com/Stranger6667/pyanyapi/commit/810db626c18ebc261d5f4299d0f0eac38d5eb3cf
- https://github.com/Stranger6667/pyanyapi/issues/41 x_refsource_CONFIRMIssue Tracking
- https://github.com/Stranger6667/pyanyapi/releases/tag/0.6.1 x_refsource_CONFIRMRelease Notes
- https://github.com/advisories/GHSA-vg8g-jpm9-jh8r Advisory
- https://github.com/pypa/advisory-database/tree/main/vulns/pyanyapi/PYSEC-2017-23.yaml
- https://joel-malwarebenchmark.github.io/blog/2017/11/08/cve-2017-16616-yamlparser-in-pyanyapi x_refsource_MISCThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-16616
- https://pypi.python.org/pypi/pyanyapi/0.6.1 x_refsource_CONFIRMProduct
| Link | Providers | Tags |
|---|---|---|
| https://github.com/Stranger6667/pyanyapi/commit/810db626c18ebc261d5f4299d0f0eac38d5eb3cf | ||
| https://github.com/Stranger6667/pyanyapi/issues/41 | x_refsource_CONFIRMIssue Tracking | |
| https://github.com/Stranger6667/pyanyapi/releases/tag/0.6.1 | x_refsource_CONFIRMRelease Notes | |
| https://github.com/advisories/GHSA-vg8g-jpm9-jh8r | Advisory | |
| https://github.com/pypa/advisory-database/tree/main/vulns/pyanyapi/PYSEC-2017-23.yaml | ||
| https://joel-malwarebenchmark.github.io/blog/2017/11/08/cve-2017-16616-yamlparser-in-pyanyapi | x_refsource_MISCThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-16616 | ||
| https://pypi.python.org/pypi/pyanyapi/0.6.1 | x_refsource_CONFIRMProduct |
Change history (0)
No recorded changes yet.