How severe is CVE-2021-2010?

CVE-2021-2010 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2021-2010 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-2010?

CVE-2021-2010 primarily affects Oracle Mysql. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-2010?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-2010 published?

CVE-2021-2010 was published on 2021-01-20 and last updated on 2026-06-17.

CVE-2021-2010

CVE-2021-2010 is a medium-severity vulnerability in Oracle Mysql with a CVSS 3.x base score of 4.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.2)
CVSS v2: 4.9
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Mysql
Published: 2021-01-20
Last modified: 2026-06-17

Description

Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.50 and prior, 5.7.32 and prior and 8.0.22 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Client accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Client. CVSS 3.1 Base Score 4.2 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L).

Frequently asked questions

What is CVE-2021-2010?: Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.50 and prior, 5.7.32 and prior and 8.0.22 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Client accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Client. CVSS 3.1 Base Score 4.2 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L).
How severe is CVE-2021-2010?: CVE-2021-2010 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2021-2010 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-2010?: CVE-2021-2010 primarily affects Oracle Mysql. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-2010?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-2010 published?: CVE-2021-2010 was published on 2021-01-20 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:*
cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*

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All CVEs affecting Oracle Mysql →

Threat intelligence

Threat-intel indicators referencing this CVE:

124.223.78.215 (ipv4-addr)
85.95.166.40 (ipv4-addr)
132.148.155.138 (ipv4-addr)
180.76.184.79 (ipv4-addr)
14.18.113.233 (ipv4-addr)
159.253.22.85 (ipv4-addr)
111.228.28.79 (ipv4-addr)
47.254.27.38 (ipv4-addr)