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Fencer Vulns
medium 6.6

CVE-2019-6556 json

When processing project files, the application (Omron CX-Programmer v9.70 and prior and Common Components January 2019 and prior) fails to…

published 2019-04-10 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-16115

cvss
6.6
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits
0
none known

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-19-094-01 updated cvss 6.6

Omron CX-Programmer

  • Omron Common Components <= January 2019 Omron CX-Programmer <= 9.70
    affected: vendor fix, mitigation “Omron has released an updated version of CX-One to address the vulnerability. This release is available through the CX-One auto-update service.”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

1.15% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 6.6 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Omron CX-Programmer within CX-One

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.