CVE-2025-54777 Denial of service in Multiple products in bizhub series
Attackers can cause denial of service in Konica Minolta bizhub devices by importing malformed S/MIME certificates, disabling Web Connection features.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-54777?
CVE-2025-54777 is a medium-severity denial of service vulnerability in Konica Minolta, Inc. Multiple products in bizhub series, published on 29 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Uncaught exception issue exists in Multiple products in bizhub series. If a malformed file is imported as an S/MIME Email certificate, it may cause a denial-of-service issue that disable the Web Connection feature.
Weakness: CWE-248
Which versions are affected by CVE-2025-54777?
How do I fix CVE-2025-54777?
No fix has been published for CVE-2025-54777 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-54777 being exploited?
There is no known exploitation of CVE-2025-54777 in the wild and no public exploit code.
Sources
Also known as GHSA-93q9-3xpq-2256.