CVE-2021-3779
Published: 28 June 2022
Summary
CVE-2021-3779 is a medium-severity Externally Controlled Reference to a Resource in Another Sphere (CWE-610) vulnerability in Ruby-Mysql Project Ruby-Mysql. Its CVSS base score is 6.5 (Medium).
Operationally, ranked in the top 39.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-5970
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Limits impact of an externally controlled reference to a primary information resource by switching to an identified alternative.