Is CVE-2020-14878 in the CISA KEV catalog?

No. CVE-2020-14878 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-14878?

CVE-2020-14878 has a CVSS v3 base score of 8.0 (HIGH).

What is the EPSS score for CVE-2020-14878?

CVE-2020-14878 has an EPSS score of 1.18% (64th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-14878?

Upgrade mysql-8.0 on debian unstable to 8.0.22-1 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2020-14878

HIGH

8.0

CVSS v3

NVD

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: LDAP Auth). Supported versions that are affected are 8.0.21 and prior. Easily exploitable vulnerability allows low privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in takeover of MySQL Server. CVSS 3.1 Base Score 8.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

How to fix

Remediation Available

mysql-8.0Debian

Fixed in:8.0.22-1CVE-2020-14878

mysql-5.7Ubuntu

Fixed in:5.7.32-0ubuntu0.16.04.1USN-4604-1

Fixed in:5.7.32-0ubuntu0.18.04.1USN-4604-1

mysql-8.0Ubuntu

Fixed in:8.0.22-0ubuntu0.20.04.2USN-4604-1

mysql-server-5.7Ubuntu

Fixed in:5.7.32-0ubuntu0.16.04.1USN-4604-1

Fixed in:5.7.32-0ubuntu0.18.04.1USN-4604-1

mysql-server-8.0Ubuntu

Fixed in:8.0.22-0ubuntu0.20.04.2USN-4604-1

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 VectorAdjacent

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.18%probability of exploitation in 30 days

64thpercentile

Moderate risk: more likely to be exploited than 64% of all known CVEs.

References

Vendor Advisory1

oracle.com

Third-Party Advisory2

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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.