CVE-2021-25282
CRITICALSaltStack Salt Directory Traversal vulnerability
EPSS Exploitation Probability
EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.
Blast Radius
salt🐍salt🐍salt🐍salt🐍salt🐍salt🐍salt🐍salt+1 moreReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.
Description
An issue was discovered in through SaltStack Salt before 3002.5. The salt.wheel.pillar_roots.write method is vulnerable to directory traversal.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐍PyPI | salt | all versions | 2015.8.13 |
| 🐍PyPI | salt | ≥ 2016.3.0&&< 2016.11.5 | 2016.11.5 |
| 🐍PyPI | salt | ≥ 2016.11.7&&< 2016.11.10 | 2016.11.10 |
| 🐍PyPI | salt | ≥ 2017.5.0&&< 2017.7.8 | 2017.7.8 |
| 🐍PyPI | salt | ≥ 2018.2.0 | No fix |
| 🐍PyPI | salt | ≥ 2019.2.0&&< 2019.2.8 | 2019.2.8 |
Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
Frequently Asked Questions
Is CVE-2021-25282 in your stack?
O3 detects CVE-2021-25282 across PyPI dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.