Is CVE-2021-2307 in the CISA KEV catalog?

No. CVE-2021-2307 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-2307?

CVE-2021-2307 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2021-2307?

CVE-2021-2307 has an EPSS score of 1.01% (59th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-2307?

Upgrade mysql-8.0 on debian unstable to 8.0.28-1 or later. Fixes are available for 6 affected products.

CVE & CISA-KEV Catalog

CVE-2021-2307

MEDIUM

6.1

CVSS v3

NVD

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Packaging). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Server accessible data as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N).

How to fix

Remediation Available

mysql-8.0Debian

Fixed in:8.0.28-1CVE-2021-2307

mysql-5.7Ubuntu

Fixed in:5.7.35-0ubuntu0.16.04.1+esm1USN-5022-3

Fixed in:5.7.34-0ubuntu0.18.04.1USN-4952-1

mysql-8.0Ubuntu

Fixed in:8.0.25-0ubuntu0.20.04.1USN-4952-1

mysql-serverUbuntu

Fixed in:5.7.35-0ubuntu0.16.04.1+esm1USN-5022-3

mysql-server-5.7Ubuntu

Fixed in:5.7.34-0ubuntu0.18.04.1USN-4952-1

mysql-server-8.0Ubuntu

Fixed in:8.0.25-0ubuntu0.20.04.1USN-4952-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

1.01%probability of exploitation in 30 days

59thpercentile

Moderate risk: more likely to be exploited than 59% of all known CVEs.

References

Vendor Advisory1

oracle.com

Third-Party Advisory1

security.netapp.com

Other references1

kb.cert.org

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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.