Use After Free in Ics-Cert Omron Cx-Supervisor
CVE-2018-7521
In Omron CX-Supervisor Versions 3.30 and prior, use after free vulnerabilities can be exploited when CX Supervisor parses a specially crafted project file.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (24.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Ics-Cert Omron Cx-Supervisor — versions Version 3.30 and prior
- Omron Cx-Supervisor
Weakness classification (CWE)
References
- www.securityfocus.com/bid/103394 (VDB Entry, Third Party Advisory, vdb-entry)
- ics-cert.us-cert.gov/advisories/ICSA-18-072-01 (US Government Resource, Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2018-7521?
- CVE-2018-7521 is a medium-severity vulnerability in Ics-Cert Omron Cx-Supervisor, classified under Use After Free. CVSS score: 5.3/10. Published 2018-03-21.
- How severe is CVE-2018-7521?
- Medium severity. CVSS v3 base score is 5.3 out of 10.