HOMEVULNERABILITIESCVE-2019-6556
MEDIUM

CVE-2019-6556

CWE-416Published: April 10, 2019· Updated: Jun 17, 2026

6.6
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2019-6556 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.6.

From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

Affected Vendors & Products

omron2 product(s)
common componentscx-programmer
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://ics-cert.us-cert.gov/advisories/ICSA-19-094-01
ADVISORYhttps://ics-cert.us-cert.gov/advisories/ICSA-19-094-01

All References (4)

→
https://ics-cert.us-cert.gov/advisories/ICSA-19-094-01Mitigation · Third Party Advisory · US Government Resource
→
https://www.zerodayinitiative.com/advisories/ZDI-19-344/
→
https://ics-cert.us-cert.gov/advisories/ICSA-19-094-01Mitigation · Third Party Advisory · US Government Resource
→
https://www.zerodayinitiative.com/advisories/ZDI-19-344/

Quick Facts

CVE IDCVE-2019-6556
CVSS Score6.6 / 10
SeverityMEDIUM
WeaknessCWE-416
CISA KEVNo
Affected1 vendor(s)
PublishedApr 10, 2019

Related CVEs (CWE-416)

CVE-2012-1974
10.0
CVE-2012-1975
10.0
CVE-2012-1972
10.0
CVE-2012-1973
10.0
CVE-2011-0982
10.0
CVE-2012-1976
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2019-6556 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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