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CVE-2024-21055: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer)

37
Routine
MEDIUM 4.9WATCHLISTUPGRADEMITIGATEMITIGATE

CVE-2024-21055 is a medium-severity flaw (CVSS 4.9) affecting mysql, active iq unified manager, active iq unified manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.35 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

Why this priority

  • On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score4.9 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededHigh
User interactionNone
EPSS exploit chance0.9% (top 41%)
CISA exploited listNo
WeaknessCWE-400
Published2024-04-16
Last modified2026-06-17
Publisher (CNA): Oracle · Vendor: netapp · oracle

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

oracle mysql UPGRADE
Affected: >= 8.0.0 and <= 8.0.35
Fixed in: newer than 8.0.35
Safe to downgrade to: a release before 8.0.0
1. Check installed version
apt-cache policy mysql || rpm -q mysql || mysql --version
2. UPGRADE to newer than 8.0.35 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade mysql
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade mysql
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 8.0.0 (Debian / Ubuntu)
apt-cache madison mysql sudo apt install mysql=<VERSION_BEFORE_8.0.0> sudo apt-mark hold mysql
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list mysql sudo dnf downgrade mysql-<VERSION_BEFORE_8.0.0> sudo dnf versionlock add mysql
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
netapp active iq unified manager MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy active-iq-unified-manager || rpm -q active-iq-unified-manager || active-iq-unified-manager --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
netapp active iq unified manager MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy active-iq-unified-manager || rpm -q active-iq-unified-manager || active-iq-unified-manager --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
netapp bluexp MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy bluexp || rpm -q bluexp || bluexp --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
netapp oncommand insight MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy oncommand-insight || rpm -q oncommand-insight || oncommand-insight --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
netapp oncommand workflow automation MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy oncommand-workflow-automation || rpm -q oncommand-workflow-automation || oncommand-workflow-automation --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-21055?

mysql: upgrade to newer than 8.0.35; active iq unified manager: mitigate or apply the listed mitigation; active iq unified manager: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-21055 being exploited?

CVE-2024-21055 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-21055 affect?

CVE-2024-21055 affects mysql, active iq unified manager, active iq unified manager. Severity is medium (CVSS 4.9). Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.35 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via m

How urgent is CVE-2024-21055?

Priority 37/100. On your watchlist

Software pages

MySQL vulnerabilities

Related CVEs

References

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