Security readout for executives and security teams
Plain-English summary
CVE-2020-2875 affects Oracle MySQL Connector/J used by applications to connect to MySQL. An unauthenticated network attacker may cause limited unauthorized reads and data changes, but exploitation is rated difficult and requires human interaction. Business urgency is moderate, focused on systems still carrying old connector libraries.
Executive priority
Treat as a moderate dependency remediation item. It is not a confirmed exploited emergency, but legacy database connector libraries can sit inside business applications for years and may affect data integrity and confidentiality.
Technical view
Oracle describes a Connector/J flaw in MySQL Connectors versions 8.0.14 and prior and 5.1.48 and prior. CVSS 3.0 is 4.7: network attack vector, high complexity, no privileges, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact.
Likely exposure
Exposure is most likely in Java applications, packaged services, or Linux distributions that include old mysql-connector-java or MySQL Connector/J dependencies. Internet exposure depends on how the application uses the connector and whether an attacker can reach the relevant service path.
Exploitation context
The supplied sources do not report active exploitation, and the bundle marks KEV as false. Oracle says exploitation is difficult, unauthenticated, network reachable, and requires user interaction by someone other than the attacker. Details are insufficient to infer a reliable exploitation pattern.
Researcher notes
Public detail in the supplied sources is limited to product, affected versions, CVSS, impact, and advisory links. Avoid assuming root cause or exploit mechanics. Validation should focus on dependency discovery across application artifacts and distribution package status.
Mitigation direction
- Upgrade MySQL Connector/J using Oracle April 2020 CPU guidance.
- Apply Debian, Fedora, or Gentoo mysql-connector-java security updates where applicable.
- Inventory applications bundling Connector/J, not only operating-system packages.
- Prioritize services handling sensitive or regulated database records.
- Check vendor guidance if fixed package versions are unclear.
Validation and detection
- Search dependency manifests for MySQL Connector/J or mysql-connector-java.
- Confirm no deployed version is 8.0.14, 5.1.48, or earlier.
- Check container images and shaded Java archives for bundled connector copies.
- Verify distribution security advisories are applied on managed hosts.
- Record compensating controls if immediate upgrade is blocked.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2020-2875 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.7 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N1.62.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.7MediumVector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.oracle.com/security-alerts/cpuapr2020.htmlCVE reference · x_refsource_MISC
- [debian-lts-announce] 20200611 [SECURITY] [DLA 2245-1] mysql-connector-java security updateCVE reference · mailing-list, x_refsource_MLIST
- DSA-4703CVE reference · vendor-advisory, x_refsource_DEBIAN
- FEDORA-2020-747ec39700CVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2020-35995bb2d3CVE reference · vendor-advisory, x_refsource_FEDORA
- GLSA-202105-27CVE reference · vendor-advisory, x_refsource_GENTOO
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
