How severe is CVE-2017-10203?

CVE-2017-10203 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2017-10203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-10203?

CVE-2017-10203 affects Oracle Mysql Connector/net. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-10203?

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

When was CVE-2017-10203 published?

CVE-2017-10203 was published on 2017-10-19 and last updated on 2026-06-17.

CVE-2017-10203

CVE-2017-10203 is a medium-severity vulnerability in Oracle Mysql Connector/net with a CVSS 3.x base score of 5.3. 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 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Mysql Connector/net
Published: 2017-10-19
Last modified: 2026-06-17

Description

Vulnerability in the MySQL Connectors component of Oracle MySQL (subcomponent: Connector/Net). Supported versions that are affected are 6.9.9 and earlier. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Connectors. CVSS 3.0 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

Frequently asked questions

What is CVE-2017-10203?: Vulnerability in the MySQL Connectors component of Oracle MySQL (subcomponent: Connector/Net). Supported versions that are affected are 6.9.9 and earlier. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Connectors. CVSS 3.0 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).
How severe is CVE-2017-10203?: CVE-2017-10203 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2017-10203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-10203?: CVE-2017-10203 affects Oracle Mysql Connector/net. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-10203?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-10203 published?: CVE-2017-10203 was published on 2017-10-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:oracle:mysql_connector\/net:*:*:*:*:*:*:*:*

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