CVE-2023-1764 — Canon IJ Network Tool/Ver

Canon IJ Network Tool/Ver.4.7.5 and earlier (supported OS: OS X 10.9.5-macOS 13),IJ Network Tool/Ver.4.7.3 and earlier (supported OS: OS X 10.7.5-OS X 10.8) allows an attacker to acquire sensitive information on the Wi-Fi connection setup of the printer from the communication of

01What is this vulnerability?

Canon IJ Network Tool/Ver.4.7.5 and earlier (supported OS: OS X 10.9.5-macOS 13),IJ Network Tool/Ver.4.7.3 and earlier (supported OS: OS X 10.7.5-OS X 10.8) allows an attacker to acquire sensitive information on the Wi-Fi connection setup of the printer from the communication of the software.

02Affected products

Vendor	Product	Versions
Canon Inc.	Canon IJ NW Tool	Ver.4.7.5 and earlier (supported OS: OS X 10.9.5-macOS 13),Ver.4.7.3 and earlier (supported OS: OS X 10.7.5-OS X 10.8)

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-05-17T00:00:00.000Z
• Last modified: 2025-01-22T19:47:20.955Z

09References

• psirt.canon — https://psirt.canon/advisory-information/cp2023-002/
• psirt.canon — https://psirt.canon/hardening/