Description
In Python 3.6 through 3.6.10, 3.7 through 3.7.8, 3.8 through 3.8.4rc1, and 3.9 through 3.9.0b4 on Windows, a Trojan horse python3.dll might be used in cases where CPython is embedded in a native application. This occurs because python3X.dll may use an invalid search path for python3.dll loading (after Py_SetPath has been used). NOTE: this issue CANNOT occur when using python.exe from a standard (non-embedded) Python installation on Windows.
Metrics
CVSS 3.1 7.8/10
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | >= V3.1.0, < V3.1.5 |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | >= V3.1.0, < V3.1.5 |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | >= V3.1.0, < V3.1.5 |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | >= V3.1.0, < V3.1.5 |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP | >= V3.1.0, < V3.1.5 |
References
- https://bugs.python.org/issue29778Issue Tracking, Patch, Vendor Advisory
- https://github.com/python/cpython/pull/21297Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210312-0004/Issue Tracking, Patch, Third Party Advisory
- https://bugs.python.org/issue29778Issue Tracking, Patch, Vendor Advisory
- https://github.com/python/cpython/pull/21297Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210312-0004/Issue Tracking, Patch, Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
Timeline
- Published
- Jul 4, 2020
- Last modified
- Oct 14, 2026
- NVD status
- Modified