What is CVE-2022-43509?

CVE-2022-43509 is a high-severity vulnerability in Omron Cx-programmer, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-12-07.

How severe is CVE-2022-43509?

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

Buffer overflow in Omron Cx-programmer

CVE-2022-43509

Out-of-bounds write vulnerability exists in CX-Programmer v.9.77 and earlier, which may lead to information disclosure and/or arbitrary code execution by having a user to open a specially crafted CXP file.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (15.2th percentile) — read the EPSS interpretation.

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.

Affected products

Omron Cx-programmer
Omron Corporation Cx-programmer — versions v.9.77 and earlier

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

vultures@jpcert.or.jp (Third Party Advisory)
vultures@jpcert.or.jp (Third Party Advisory)

Frequently asked questions

What is CVE-2022-43509?: CVE-2022-43509 is a high-severity vulnerability in Omron Cx-programmer, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-12-07.
How severe is CVE-2022-43509?: High severity. CVSS v3 base score is 7.8 out of 10.