CVE-2021-2389: fedoraproject fedora
Vulnerability summary
CVE-2021-2389 is a high (CVSS 7.1) vulnerability in fedoraproject fedora. EPSS estimates a 8.15% chance of exploitation in the next 30 days, higher than 94.8% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 22 · Related 13Timeline
- 20-07-2021PublishedVulnerability first disclosed.
- 26-09-2024Last modifiedVulnerability information updated.
Description
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.34 and prior and 8.0.25 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).
CVSS metrics
6 scores · 5 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
8.15%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
0.00 pp
From 8.15% 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-10.3< 1:10.3.31-0ubuntu0.20.04.1
- mysql-5.5All versions (No fix recorded)
- mysql-5.7< 5.7.35-0ubuntu0.16.04.1+esm1 | < 5.7.35-0ubuntu0.18.04.1
Netapp4 products
Alpine1 product
- mariadb≥ 10.2.0, < 10.4.21-r0 | ≥ 10.2.0, < 10.5.12-r0 | ≥ 10.2.0, < 10.6.4-r0
Debian1 product
- mariadb-10.5< 1:10.5.12-0+deb11u1
Fedoraproject1 product
- fedoraEOL34 | 35
Mariadb1 product
- mariadb≥ 10.2.0, < 10.2.40 | ≥ 10.3.0, < 10.3.31 | ≥ 10.4.0, < 10.4.21 | ≥ 10.5.0, < 10.5.12 | ≥ 10.6.0, < 10.6.4
Oracle1 product
- mysql_server≥ 5.7.0, ≤ 5.7.34 | ≥ 8.0.0, ≤ 8.0.25
Oracle corporation1 product
- mysql server5.7.34 and prior | 8.0.25 and prior
8 vendors · 18 products