What is CVE-2023-3471?

CVE-2023-3471 is a high-severity vulnerability in Panasonic Kw Watcher, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.6/10. Published 2023-09-06.

How severe is CVE-2023-3471?

High severity. CVSS v3 base score is 8.6 out of 10.

Buffer overflow in Panasonic Kw Watcher

CVE-2023-3471

Buffer overflow vulnerability in Panasonic KW Watcher versions 1.00 through 2.82 may allow attackers to execute arbitrary code.

Vulnerability class: Buffer Overflow

Published 2023-09-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (37.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.000

Affected products

Panasonic Kw Watcher — versions 1.00
Panasonic Kw Watcher

Weakness classification (CWE)

References

www3.panasonic.biz/ac/e/fasys/software_info/eco/kwwatcher_versioninfo.jsp (Release Notes)
www3.panasonic.biz/ac/j/fasys/software_info/eco/tol_kwwatcher.jsp (Release Notes)

Frequently asked questions

What is CVE-2023-3471?: CVE-2023-3471 is a high-severity vulnerability in Panasonic Kw Watcher, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.6/10. Published 2023-09-06.
How severe is CVE-2023-3471?: High severity. CVSS v3 base score is 8.6 out of 10.