Ruby-MySQL Gem Client File Read
Priority LOW 31CWE-610Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
A malicious MySQL server can request local file content from a client using ruby-mysql prior to version 2.10.0 without explicit authorization from the user. This issue was resolved in version 2.10.0 and later.
Why it matters now
EPSS 0.01192 68th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed ruby-mysql (RubyGems): 2.10.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Tomita Masahiro | ruby-mysql | 2.9.14 – 2.9.14 | — | No fix listed | CNA |
| — | ruby-mysql (RubyGems) | before 2.10.0 | 2.10.0 | Patch available | GHSA-73pr-g6jj-5hc9 |
- ruby-mysql VendorTomita Masahiro Affected 2.9.14 – 2.9.14 Fixed in — No fix listed CNA
- ruby-mysql (RubyGems) Vendor— Affected before 2.10.0 Fixed in 2.10.0 Patch available GHSA-73pr-g6jj-5hc9
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ruby-mysql_project:ruby-mysql:*:*:*:*:*:ruby:*:* | before 2.10.0 | Vulnerable | Ruby-mysql Project |
- cpe:2.3:a:ruby-mysql_project:ruby-mysql:*:*:*:*:*:ruby:*:* Versions before 2.10.0 Vulnerable ·Ruby-mysql Project
Remediation
- Fix · GHSA-73pr-g6jj-5hc9 ruby-mysql (RubyGems) Fixed in 2.10.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-3779
- 2026-10-03 Alias added: GHSA-73pr-g6jj-5hc9
References
Exploit 1
Sources
- CVE-2021-3779 · CVE Program
- CVE-2021-3779 · NVD
- FIRST EPSS
- GHSA-73pr-g6jj-5hc9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences