CVE-2021-3779
Ruby-MySQL Gem Client File Read
MEDIUM
6.5
CVSS Score
Published: June 28, 2022 at 04:30 PM UTC
Updated: June 17, 2026 at 04:05 AM UTC
2 products affected across 2 vendorsRuby MySQLMySQL Project Ruby MySQL
Using ruby-mysql by Tomita Masahiro?
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Severity
MEDIUM6.5
Exploit prediction
EPSS 1%
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ruby MySQL· Ruby MySQL Projectrubygems
95%v < 2.10.0
Affected range stops below 2.10.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCExploitMitigationThird Party Advisory
Source: [email protected]
https://www.rapid7.com/blog/post/2022/06/28/cve-2021-3779-ruby-mysql-gem-client-file-read-fixed/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-610
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