Is CVE-2021-2006 in the CISA KEV catalog?

No. CVE-2021-2006 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-2006?

CVE-2021-2006 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2021-2006?

CVE-2021-2006 has an EPSS score of 1.82% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-2006?

Upgrade mysql-8.0 on debian unstable to 8.0.21-1 or later.

CVE & CISA-KEV Catalog

CVE-2021-2006

MEDIUMEPSS 76th pctl

5.3

CVSS v3

NVD

Description

Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 8.0.19 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H).

How to fix

Remediation Available

mysql-8.0Debian

Fixed in:8.0.21-1CVE-2021-2006

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 ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.82%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Vendor Advisory1

oracle.com

Third-Party Advisory2

Other references2

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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.