CVE-2021-2174
published 2021-04-22CVE-2021-2174: 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…
PriorityP418medium4.4CVSS 3.1
AVNACHPRHUINSUCNINAH
EPSS
1.93%
77.9th 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. Difficult to exploit 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | mysql-8.0 | < mysql-8.0 8.0.28-1 (sid) | mysql-8.0 8.0.28-1 (sid) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| mariadb | mariadb | >= 10.2.0 < 10.2.18 | 10.2.18 |
| 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
nvdv3.14.4MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
nvdv2.03.5LOWAV:N/AC:M/Au:S/C:N/I:N/A:P
osv4.4MEDIUM
cisa8.8HIGH
vendor_debian4.4MEDIUM
vendor_msrc4.4MEDIUM
vendor_oracle4.4MEDIUM
vendor_redhat4.4MEDIUM
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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
CISA
OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type Vulnerability
cisa·2025-12-03·CVSS 8.8
CVE-2021-26828 [HIGH] CWE-434 OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type Vulnerability
Vulnerability: OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type Vulnerability
Affected: OpenPLC ScadaBR
OpenPLC ScadaBR contains an unrestricted upload of file with dangerous type vulnerability that allows remote authenticated users to upload and execute arbitrary JSP files via view_edit.shtm.
Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes: This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://github.com/SCADA-LTS/Scada-LTS/pull/2174 ; https://nvd.nist.gov/vuln/detail/CVE-2021-26828
Re
Red Hat
mysql: InnoDB unspecified vulnerability (CPU Apr 2021)
vendor_redhat·2021-04-20·CVSS 4.4
CVE-2021-2174 [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. Difficult to exploit 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/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 f
Oracle
Oracle Oracle MySQL Risk Matrix: InnoDB — CVE-2021-2174
vendor_oracle·2021-04-15·CVSS 4.4
CVE-2021-2174 [MEDIUM] Oracle Oracle MySQL Risk Matrix: InnoDB — CVE-2021-2174
Oracle Oracle MySQL Risk Matrix: InnoDB vulnerability
CVE: CVE-2021-2174
CVSS: 4.4
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. Difficult to exploit vulnerability allows
vendor_msrc·2021-04-13·CVSS 4.4
CVE-2021-2174 [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. Difficult to exploit vulnerability allows
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. Difficult to exploit 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/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 c
Debian
CVE-2021-2174: mysql-8.0 - Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). S...
vendor_debian·2021·CVSS 4.4
CVE-2021-2174 [MEDIUM] CVE-2021-2174: mysql-8.0 - 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. Difficult to exploit 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).
Scope: local
sid: resolved (fixed in 8.0.28-1)
GHSA
GHSA-r863-mwf8-35cx: Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB)
ghsa_unreviewed·2022-05-24
CVE-2021-2174 [MEDIUM] GHSA-r863-mwf8-35cx: 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. Difficult to exploit 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).
OSV
CVE-2021-2174: Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB)
osv·2021-04-22·CVSS 4.4
CVE-2021-2174 [MEDIUM] CVE-2021-2174: 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. Difficult to exploit 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/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