SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-3523

Vulnerability in the MySQL Connectors component of Oracle MySQL (subcomponent: Connector/J).

HIGH 8.5EPSS 2.88%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.88%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Vulnerability in the MySQL Connectors component of Oracle MySQL (subcomponent: Connector/J). Supported versions that are affected are 5.1.40 and earlier. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Connectors. While the vulnerability is in MySQL Connectors, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of MySQL Connectors. CVSS 3.0 Base Score 8.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H).

CVSS 3.0
8.5 HIGHCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS
2.88% probability · 87th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
oracle/connector\/j
Source
secalert_us@oracle.com
EPSS trend
0%3%5%27 October 2026: 2.88%27 October 202627 October 2026

EPSS 2.9% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.