CVE-2021-31607
7.8 · HIGHOverview
CVE-2021-31607 is a high-severity vulnerability affecting saltstack salt. It was published on April 23, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
In SaltStack Salt 2016.9 through 3002.6, a command injection vulnerability exists in the snapper module that allows for local privilege escalation on a minion. The attack requires that a file is created with a pathname that is backed up by snapper, and that the master calls the snapper.diff function (which executes popen unsafely).
Remediation
Check the references section for vendor advisories and patches from saltstack. Update salt to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| saltstack | salt | 2016.9 | Affected |
References
Frequently Asked Questions
What is CVE-2021-31607?
CVE-2021-31607 is a high-severity vulnerability affecting saltstack salt. It was published on April 23, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2021-31607?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-31607?
Check the references section for vendor advisories and patches from saltstack. Update salt to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-31607?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-31607 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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