Use After Free in Omron Common Components
CVE-2019-6556
When processing project files, the application (Omron CX-Programmer v9.70 and prior and Common Components January 2019 and prior) fails to check if it is referencing freed memory. An attacker could use a specially crafted project file to exploit and execute code under the privileges of the application.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H.
EPSS exploit prediction
EPSS: 0.012 (65.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Omron Common Components
- Omron Cx-Programmer
- Omron Cx-Programmer Within Cx-One — versions CX-Programmer v9.70 and prior and Common Components January 2019 and prior
Weakness classification (CWE)
References
- ics-cert.us-cert.gov/advisories/ICSA-19-094-01 (US Government Resource, Third Party Advisory, Mitigation)
- www.zerodayinitiative.com/advisories/ZDI-19-344/
Frequently asked questions
- What is CVE-2019-6556?
- CVE-2019-6556 is a medium-severity vulnerability in Omron Common Components, classified under Use After Free. CVSS score: 6.6/10. Published 2019-04-10.
- How severe is CVE-2019-6556?
- Medium severity. CVSS v3 base score is 6.6 out of 10.