CVE-2018-11711 — A remote attacker can bypass the System Manager Mode on the Canon MF210 and MF22

A remote attacker can bypass the System Manager Mode on the Canon MF210 and MF220 web interface without knowing the PIN for /login.html via vectors involving /portal_top.html to get full access to the device. NOTE: the vendor reportedly responded that this issue occurs when a cus

01What is this vulnerability?

A remote attacker can bypass the System Manager Mode on the Canon MF210 and MF220 web interface without knowing the PIN for /login.html via vectors involving /portal_top.html to get full access to the device. NOTE: the vendor reportedly responded that this issue occurs when a customer keeps the default settings without using the countermeasures and best practices shown in the documentation

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

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: 2018-06-04T13:00:00.000Z
• Last modified: 2024-08-05T08:17:09.043Z

09References

• www.exploit-db.com — https://www.exploit-db.com/exploits/44845/
• gist.github.com — https://gist.github.com/huykha/9dbcd0e46058f1e18bab241d1b2754bd