CVE-2021-2194
published 2021-04-22CVE-2021-2194: Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior…
PriorityP421medium4.9CVSS 3.1
AVNACLPRHUINSUCNINAH
EPSS
2.31%
81.6th percentile
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows high privileged 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 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
Affected
16 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | mariadb-10.5 | < mariadb-10.5 1:10.5.8-1 (bullseye) | mariadb-10.5 1:10.5.8-1 (bullseye) |
| debian | mysql-8.0 | < mariadb-10.5 1:10.5.8-1 (bullseye) | mariadb-10.5 1:10.5.8-1 (bullseye) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| mariadb | mariadb | >= 10.2.0 < 10.2.35 | 10.2.35 |
| mariadb | mariadb | >= 10.3.0 < 10.3.26 | 10.3.26 |
| mariadb | mariadb | >= 10.4.0 < 10.4.16 | 10.4.16 |
| mariadb | mariadb | >= 10.5.0 < 10.5.7 | 10.5.7 |
| msrc | cbl_mariner_1.0_arm | — | — |
| msrc | cbl_mariner_1.0_x64 | — | — |
| msrc | cm1_mysql_8.0.26-1_on_cbl_mariner_1.0 | — | — |
| oracle | mysql | 5.7.0 – 5.7.33 | — |
| oracle | mysql | 8.0.0 – 8.0.23 | — |
| oracle_corporation | mysql_server | — | — |
| oracle_corporation | mysql_server | — | — |
CVSS provenance
nvdv3.14.9MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
nvdv2.04.0MEDIUMAV:N/AC:L/Au:S/C:N/I:N/A:P
osv4.9MEDIUM
vendor_debian4.9MEDIUM
vendor_msrc4.9MEDIUM
vendor_oracle4.9MEDIUM
vendor_redhat4.9MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
CISA ICS
Festo Didactic SE MES PC
cisa_ics·2026-01-27·CVSS 7.5
[HIGH] Festo Didactic SE MES PC
ICS Advisory
##
Festo Didactic SE MES PC
Release DateJanuary 27, 2026
Alert CodeICSA-26-027-02
Related topics:
Industrial Control System Vulnerabilities, Industrial Control Systems
View CSAF
## Summary
MES PCs shipped with Windows 10 come pre-installed with XAMPP. XAMPP is a bundle of third-party open-source applications including the Apache HTTP Server, the MariaDB database and more. From time to time, vulnerabilities in these applications are discovered. These are fixed in newer versions of XAMPP by updating the bundled applications. MES PCs shipped with Windows 10 include a copy of XAMPP which contains around 140 such vulnerabilities listed in this advisory. They can be fixed by replacing XAMPP with Festo Didactic's Factory Control Panel application.
The
Ubuntu
MySQL vulnerabilities
vendor_ubuntu·2021-10-07
CVE-2021-2179 MySQL vulnerabilities
Title: MySQL vulnerabilities
Summary: Several security issues were fixed in MySQL.
USN-5022-1 fixed several vulnerabilities in MySQL. This update provides
the corresponding update for Ubuntu 16.04 ESM.
Original advisory details:
Multiple security issues were discovered in MySQL and this update includes
new upstream MySQL versions to fix these issues.
MySQL has been updated to MySQL 5.7.35 on Ubuntu 16.04 ESM.
In addition to security fixes, the updated packages contain bug fixes, new
features, and possibly incompatible changes.
Please see the following for more information:
https://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-35.html
https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-26.html
https://www.oracle.com/security-alerts/cpujul2021.html
Instructions: This update
Ubuntu
MySQL vulnerabilities
vendor_ubuntu·2021-05-12
CVE-2021-2154 MySQL vulnerabilities
Title: MySQL vulnerabilities
Summary: Several security issues were fixed in MySQL.
Multiple security issues were discovered in MySQL and this update includes
new upstream MySQL versions to fix these issues.
MySQL has been updated to 8.0.25 in Ubuntu 20.04 LTS, Ubuntu 20.10, and
Ubuntu 21.04. Ubuntu 18.04 LTS has been updated to MySQL 5.7.34.
In addition to security fixes, the updated packages contain bug fixes, new
features, and possibly incompatible changes.
Please see the following for more information:
https://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-34.html
https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-24.html
https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-25.html
https://www.oracle.com/security-alerts/cpuapr2021.html
Instructions: This update uses a
Red Hat
mysql: InnoDB unspecified vulnerability (CPU Apr 2021)
vendor_redhat·2021-04-20·CVSS 4.9
CVE-2021-2194 [MEDIUM] mysql: InnoDB unspecified vulnerability (CPU Apr 2021)
mysql: InnoDB unspecified vulnerability (CPU Apr 2021)
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows high privileged 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 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
Statement: In Red Hat OpenStack Platform, because the flaw has a lower impact and the fix would require a substantial amount of development, no update will be provided at this time for
Oracle
Oracle Oracle MySQL Risk Matrix: InnoDB — CVE-2021-2194
vendor_oracle·2021-04-15·CVSS 4.9
CVE-2021-2194 [MEDIUM] Oracle Oracle MySQL Risk Matrix: InnoDB — CVE-2021-2194
Oracle Oracle MySQL Risk Matrix: InnoDB vulnerability
CVE: CVE-2021-2194
CVSS: 4.9
Protocol: MySQL Protocol
Remote exploit: No
Affected versions: Network
Advisory: cpuapr2021 (APR 2021)
Microsoft
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows h
vendor_msrc·2021-04-13·CVSS 4.9
CVE-2021-2194 [MEDIUM] Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows h
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows high privileged 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 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the com
Debian
CVE-2021-2194: mariadb-10.5 - Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). S...
vendor_debian·2021·CVSS 4.9
CVE-2021-2194 [MEDIUM] CVE-2021-2194: mariadb-10.5 - Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). S...
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows high privileged 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 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
Scope: local
bullseye: resolved (fixed in 1:10.5.8-1)
GHSA
GHSA-3rv3-73vp-853w: Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB)
ghsa_unreviewed·2022-05-24
CVE-2021-2194 [MEDIUM] GHSA-3rv3-73vp-853w: Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB)
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows high privileged 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 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
OSV
CVE-2021-2194: Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB)
osv·2021-04-22·CVSS 4.9
CVE-2021-2194 [MEDIUM] CVE-2021-2194: Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB)
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows high privileged 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 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AKV7TRUEQW6EV45RSZVVFLVQMNHVHBCJ/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJQRPXNDH6YHQLUSCS5VA7DAW32PN7N7/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJVUTKKFQAWR7NURCQHQQ5JHTVYGEOYQ/https://security.netapp.com/advisory/ntap-20210513-0002/https://www.oracle.com/security-alerts/cpuapr2021.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AKV7TRUEQW6EV45RSZVVFLVQMNHVHBCJ/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJQRPXNDH6YHQLUSCS5VA7DAW32PN7N7/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJVUTKKFQAWR7NURCQHQQ5JHTVYGEOYQ/https://security.netapp.com/advisory/ntap-20210513-0002/https://www.oracle.com/security-alerts/cpuapr2021.html
2021-04-22
Published