What is CVE-2022-2979?

CVE-2022-2979 is a high-severity vulnerability in Omron Cx-Programmer, classified under Use After Free. CVSS score: 7.8/10. Published 2022-09-12.

How severe is CVE-2022-2979?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Omron Cx-Programmer

CVE-2022-2979

Opening a specially crafted file could cause the affected product to fail to release its memory reference potentially resulting in arbitrary code execution.

Vulnerability class: Use-After-Free

Published 2022-09-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (14.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000

Affected products

Omron Cx-Programmer — versions All

Weakness classification (CWE)

CWE-416 — Use After Free

References

www.cisa.gov/uscert/ics/advisories/icsa-22-242-09 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2022-2979?: CVE-2022-2979 is a high-severity vulnerability in Omron Cx-Programmer, classified under Use After Free. CVSS score: 7.8/10. Published 2022-09-12.
How severe is CVE-2022-2979?: High severity. CVSS v3 base score is 7.8 out of 10.