Is CVE-2021-3779 in the CISA KEV catalog?

No. CVE-2021-3779 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-3779?

CVE-2021-3779 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2021-3779?

CVE-2021-3779 has an EPSS score of 1.11% (62th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-3779?

Upgrade ruby-mysql to 2.10.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-3779

MEDIUM

6.5

CVSS v3

NVD

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.

CWE-610

How to fix

Remediation Available

ruby-mysqlNVD

Affected:< 2.10.0Fixed in:2.10.0CVE-2021-3779derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploit Intelligence

1.11%probability of exploitation in 30 days

62ndpercentile

Moderate risk: more likely to be exploited than 62% of all known CVEs.

References

Exploit1

rapid7.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.