CVE-2019-18259
In Omron PLC CJ series, all versions and Omron PLC CS series, all versions, an attacker could...
In Omron PLC CJ series, all versions and Omron PLC CS series, all versions, an attacker could spoof arbitrary messages or execute commands.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In Omron PLC CJ series, all versions and Omron PLC CS series, all versions, an attacker could spoof arbitrary messages or execute commands.
- Record
CVE-2019-18259- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-290
- Updated
- 2026-11-02
CVE List No score
In Omron PLC CJ series, all versions and Omron PLC CS series, all versions, an attacker could spoof arbitrary messages or execute commands.
- Record
CVE-2019-18259- Weakness
- CWE-290
- Updated
- 2026-11-02
EUVDEUVD-2019-8056 No score
In Omron PLC CJ series, all versions and Omron PLC CS series, all versions, an attacker could spoof arbitrary messages or execute commands.
- Record
EUVD-2019-8056- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jwh5-53wq-83vf No score
In Omron PLC CJ series, all versions and Omron PLC CS series, all versions, an attacker could...
In Omron PLC CJ series, all versions and Omron PLC CS series, all versions, an attacker could spoof arbitrary messages or execute commands.
- Record
GHSA-jwh5-53wq-83vf- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-18259 is a critical vulnerability (CVSS 9.8) in Omron Plc Cj Firmware, published December 16, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.11%, the 81st percentile. No source names a fixed version.