CVE-2025-53053
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedVulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). Supported versions that are affected are 8.0.0-8.0.43, 8.4.0-8.4.6 and 9.0.0-9.4.0. 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 as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H).
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceVulnerability in MySQL Server's DML (Data Manipulation Language) component allows a high-privileged attacker with network access to cause a denial of service (hang or crash) and gain unauthorized insert/update/delete access to some accessible data. The flaw affects versions 8.0.0-8.0.43, 8.4.0-8.4.6, and 9.0.0-9.4.0.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data>= 8.0.0, <= 8.0.42>= 8.4.0, <= 8.4.6>= 9.0.0, <= 9.4.0CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- Low
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify MySQL Server installation and versionRun the command: mysql --version or mysqld --version. On Linux, also check: rpm -qa | grep mysql-server or dpkg -l | grep mysql-server. Alternatively, connect to MySQL and run: SELECT VERSION();Affected if The version falls within 8.0.0-8.0.43, 8.4.0-8.4.6, or 9.0.0-9.4.0
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Verify MySQL is listening on networkCheck if MySQL port 3306 is open and listening: netstat -tulpn | grep 3306 or ss -tulpn | grep 3306. Also check the bind-address in MySQL config files (my.cnf or my.ini)Affected if MySQL is bound to a non-localhost address (0.0.0.0 or any external IP) and port 3306 is accessible from network
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Confirm high-privilege network-accessible accountsConnect to MySQL and run: SELECT user, host, plugin FROM mysql.user WHERE super_priv='Y' AND host NOT IN ('localhost','127.0.0.1'); Review whether any high-privilege accounts can be accessed from networkAffected if There exist user accounts with SUPER or ALL PRIVILEGES granted for hosts that are accessible over the network (not localhost-only)
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Check DML access controlsReview user permissions for accessible accounts: SHOW GRANTS FOR 'username'@'host'; Focus on INSERT, UPDATE, DELETE privileges and whether they apply to sensitive tablesAffected if DML privileges (INSERT, UPDATE, DELETE) are granted to network-accessible accounts on tables containing sensitive data
If MySQL Server version is 8.0.0-8.0.43, 8.4.0-8.4.6, or 9.0.0-9.4.0 AND the server listens on a network-accessible interface with privileged accounts reachable remotely, the environment is affected by this vulnerability.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scopedApply Oracle MySQL security patches for versions 8.0.44+, 8.4.7+, and 9.0.1+ (or later supported versions) during a planned maintenance window, then verify DML operations function normally.
MySQL 8.0.43 (for 8.0.x branch), MySQL 8.4.7 (for 8.4.x branch), or MySQL 9.4.1 (for 9.x branch)
- 1. Back up all MySQL databases before performing any upgrade.
- 2. Review Oracle's MySQL upgrade documentation for your current version to target version upgrade path.
- 3. For MySQL 8.0.x users: Upgrade to MySQL 8.0.43 or later.
- 4. For MySQL 8.4.x users: Upgrade to MySQL 8.4.7 or later.
- 5. For MySQL 9.x users: Upgrade to MySQL 9.4.1 or later.
- 6. After upgrade, verify MySQL service is running and test critical DML operations.
- 7. Monitor MySQL error logs for any post-upgrade issues.
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation3.0 h
- Implementation4.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-53053 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-53053 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Version or environment caveats, and links to real fixes
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