CVE-2022-21687
6.8 · MEDIUMOverview
CVE-2022-21687 is a medium-severity vulnerability affecting github gh-ost. It was published on February 1, 2022 and has a CVSS 3.1 base score of 6.8 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
gh-ost is a triggerless online schema migration solution for MySQL. Versions prior to 1.1.3 are subject to an arbitrary file read vulnerability. The attacker must have access to the target host or trick an administrator into executing a malicious gh-ost command on a host running gh-ost, plus network access from host running gh-ost to the attack's malicious MySQL server. The `-database` parameter does not properly sanitize user input which can lead to arbitrary file reads.
Remediation
Check the references section for vendor advisories and patches from github. Update gh-ost 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 |
|---|---|---|---|
| github | gh-ost | >= 0, < 1.1.3 | Affected |
References
Frequently Asked Questions
What is CVE-2022-21687?
CVE-2022-21687 is a medium-severity vulnerability affecting github gh-ost. It was published on February 1, 2022 and has a CVSS 3.1 base score of 6.8 (MEDIUM).
How severe is CVE-2022-21687?
This vulnerability has a CVSS 3.1 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2022-21687?
Check the references section for vendor advisories and patches from github. Update gh-ost 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-2022-21687?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-21687 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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