CVE-2019-6556: omron common_components Use After Free
CVSS: 6.8v2.0MediumModified
Published 10-04-2019Last modified 04-08-2024
Vulnerability summary
CVE-2019-6556 is a medium (CVSS 6.8) Use After Free vulnerability in omron common_components. EPSS estimates a 1.15% chance of exploitation in the next 30 days, higher than 66.6% of scored vulnerabilities.
CVSS score
6.8/10
010
Medium · v2.0 (NVD)EPSS score
1.15%
0%100%
Low · -1.50 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 10-04-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 6.6Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:HSourcesSingle source
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.15%
Chance of exploitation in the next 30 days
Percentile
67%
Versus all other CVEs
30-day change
-1.50 pp
From 2.65% on 21-09-2026
21-09-202621-10-2026
EPSS score1.15%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Omron3 products
- common_components≤ 2019-01
- cx-programmer≤ 9.70
- cx-programmer within cx-oneCX-Programmer v9.70 and prior and Common Components January 2019 and prior
1 vendor · 3 products
References
2 links- ics-cert.us-cert.gov/advisories/ICSA-19-094-01X Refsource MISCMitigationThird Party AdvisoryUS Government Resource
- www.zerodayinitiative.com/advisories/ZDI-19-344/X Refsource MISC