CVE-2023-0857 Auth bypass in Canon Office/Small Office Multifunction Printers and Laser Printers
Network attackers can gain unauthorized administrative access to Canon printers due to settings changes during initial registration.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-0857?
CVE-2023-0857 is a medium-severity authentication bypass vulnerability in Canon Office/Small Office Multifunction Printers and Laser Printers, published on 11 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unintentional change of settings during initial registration of system administrators which uses control protocols. The affected Office / Small Office Multifunction Printers and Laser Printers(*) may allow an attacker on the network segment to trigger unauthorized access to the product. *:Satera LBP660C Series/LBP620C Series/MF740C Series/MF640C Series firmware Ver.11.04 and earlier sold in Japan. Color imageCLASS LBP660C Series/LBP 620C Series/X LBP1127C/MF740C Series/MF640C Series/X MF1127C firmware Ver.11.04 and earlier sold in US. i-SENSYS LBP660C Series/LBP620C Series/MF740C Series/MF640C Series, C1127P, C1127iF, C1127i firmware Ver.11.04 and earlier sold in Europe.
Weakness: CWE-286
Which versions are affected by CVE-2023-0857?
It affects 45 products.
Products include Canon I-Sensys Lbp621cw Firmware, Canon I-Sensys Lbp623cdw Firmware, Canon I-Sensys Lbp633cdw Firmware, Canon I-Sensys Lbp664cx Firmware, Canon I-Sensys Mf641cw Firmware, Canon I-Sensys Mf643cdw Firmware and 39 more.
How do I fix CVE-2023-0857?
No fix has been published for CVE-2023-0857 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2023-0857 being exploited?
There is no known exploitation of CVE-2023-0857 in the wild and no public exploit code.
Other vulnerabilities in Canon Office/Small Office Multifunction Printers and Laser Printers
- CVE-2023-0851 Memory corruption in Canon Office/Small Office Multifunction Printers and Laser Printers
- CVE-2023-0852 Memory corruption in Canon Office/Small Office Multifunction Printers and Laser Printers
- CVE-2023-0853 Memory corruption in Canon Office/Small Office Multifunction Printers and Laser Printers
- CVE-2023-0854 Memory corruption in Canon Office/Small Office Multifunction Printers and Laser Printers
- CVE-2023-0855 Memory corruption in Canon Office/Small Office Multifunction Printers and Laser Printers
Sources
Also known as GHSA-p555-r2hc-6428.