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CVE-2024-21171

19
FAUCET Score

CVE-2024-21171 is a denial-of-service vulnerability affecting Oracle MySQL Server versions 8.0.37 and prior, and 8.4.0 and prior, specifically within the Server: Optimizer component. This easily exploitable flaw allows a low-privileged attacker with network access to cause a complete system hang or crash. With a CVSS 3.1 base score of 6.5 (Medium), its primary impact is on availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.0.0, <= 8.0.37CPE matchmatch criteria
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
>= 8.1.0, <= 8.4.0CPE matchmatch criteria
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.88%
Probability of exploitation in next 30 days
EPSS Percentile
55.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0088 is in the 67th percentile among its peer group of 21,974 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (19)

microsoftpatch availablevia msrc
Product: cbl2 mysql 8.0.36-1 on CBL Mariner 2.0Fixed in: 8.0.40-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 8.0.40-1
microsoftpatch availablevia msrc
Product: 17235-17086Fixed in: 8.0.40-1
microsoftpatch availablevia msrc
Product: cbl2 mysql 8.0.40-1 on CBL Mariner 2.0Fixed in: 8.0.40-1
microsoftpatch availablevia msrc
Product: azl3 mysql 8.0.40-1 on Azure Linux 3.0Fixed in: 8.0.40-1
microsoftpatch availablevia msrc
Product: azl3 mysql 8.0.36-1 on Azure Linux 3.0Fixed in: 8.0.40-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 8.0.40-2
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 8.0.40-2
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 8.0.40-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 8.0.40-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 8.0.40-1
microsoftpatch availablevia msrc
Product: 17218-16823Fixed in: 8.0.40-1
microsoftpatch availablevia msrc
Product: 17607-17084Fixed in: 8.0.40-1
microsoftpatch availablevia msrc
Product: 19690-17084Fixed in: 8.0.40-1
microsoftpatch availablevia msrc
Product: 19677-17086Fixed in: 8.0.40-1
oraclevendor investigatingvia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: mysql8.0
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: mysql:8.0/mysql
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: mysql

Vendor Advisories (5)

microsoft2024-Dec/CVE-2024-21171

CVE-2024-21171

Dec 10, 2024
microsoft2024-Nov/CVE-2024-21171

CVE-2024-21171

Nov 12, 2024
microsoft2024-Oct/CVE-2024-21171

CVE-2024-21171

Oct 8, 2024
redhatCVE-2024-21171Moderate

mysql: Optimizer unspecified vulnerability (CPU Jul 2024)

Jul 16, 2024
microsoft2024-Jul/CVE-2024-21171Moderate

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.37 and prior and 8.4.0 and prior. Easily exploitable vulnerability allows low 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Jul 9, 2024

References

security.netapp.com / advisory/ntap-20240801-0001
oracle.com / security-alerts/cpujul2024.html
Vendor Advisory