pwntools Server-Side Template Injection (SSTI) vulnerability
This affects the package pwntools before 4.3.1. The shellcraft generator for affected versions of this module are vulnerable to Server-Side Template Injection (SSTI), which can lead to remote code execution.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | pwntools | < 4.3.1 | 4.3.1 |
References
- https://github.com/Gallopsled/pwntools/issues/1427
- https://snyk.io/vuln/SNYK-PYTHON-PWNTOOLS-1047345
- https://github.com/Gallopsled/pwntools/pull/1732
- https://github.com/advisories/GHSA-7xc5-ggpp-g249
- https://nvd.nist.gov/vuln/detail/CVE-2020-28468
- https://github.com/Gallopsled/pwntools/commit/138188eb1c027a2d0ffa4151511c407d3a001660
- https://github.com/Gallopsled/pwntools
- https://github.com/pypa/advisory-database/tree/main/vulns/pwntools/PYSEC-2021-72.yaml
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-74- Platform
- Python (PyPI)
- Package
pwntools- Disclosed
- 08.01.2021
- Updated
- 11.10.2026 11:20
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2021-72 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-7xc5-ggpp-g249 - CC BY 4.0
Vulnerability history: pwntools
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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