CVE-2020-14550: canonical ubuntu_linux
Vulnerability summary
CVE-2020-14550 is a medium (CVSS 5.3) vulnerability in canonical ubuntu_linux. EPSS estimates a 2.24% chance of exploitation in the next 30 days, higher than 82.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 7 · Related 3Timeline
- 15-07-2020PublishedVulnerability first disclosed.
- 27-09-2024Last modifiedVulnerability information updated.
Description
Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.48 and prior, 5.7.30 and prior and 8.0.20 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).
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.24%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
+0.02 pp
From 2.22% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu8 products
- mariadb-10.0All versions (No fix recorded)
- mariadb-10.1All versions (No fix recorded)
- mariadb-10.3All versions (No fix recorded)
- mysql-5.5All versions (No fix recorded)
- mysql-5.7< 5.7.31-0ubuntu0.16.04.1 | < 5.7.31-0ubuntu0.18.04.1
Chainguard6 products
- mysql-8.0< 8.0.38-r0
- mysql-8.0-client< 8.0.38-r0
- mysql-8.0-dev< 8.0.38-r0
- mysql-8.0-iamguarded-compat< 8.0.38-r0
- mysql-8.0-oci-entrypoint< 8.0.38-r0
Netapp3 products
Canonical1 product
- ubuntu_linuxEOL16.04 | 18.04 | 20.04
Fedoraproject1 product
- fedoraEOL31 | 32 | 33
Mariadb1 product
- mariadb≥ 5.5.0, < 5.5.61 | ≥ 10.0.0, < 10.0.35 | ≥ 10.1.0, < 10.1.33 | ≥ 10.2.0, < 10.2.15
Oracle1 product
- mysql≥ 5.6.0, ≤ 5.6.48 | ≥ 5.7.0, ≤ 5.7.30 | ≥ 8.0.0, ≤ 8.0.20
Oracle corporation1 product
- mysql server5.6.48 and prior | 5.7.30 and prior | 8.0.20 and prior
8 vendors · 22 products