CVE-2025-6081VulnerabilityPublished 1 Jul 2025Updated 2 Jul 2025

CVE-2025-6081: Konica Minolta bizhub 227 Multifunction printers · Insufficiently Protected Credentials

Affects Konica Minolta bizhub 227 Multifunction printersSource CVE Database V5

Not known to be exploited · CVSS 6.8 Medium.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score

6.8Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.3% chance of exploitation in 30 days – higher than 24% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Attack Vector: Network
Attack Complexity: Low
Privileges Required: High
User Interaction: None
Scope: Changed
Confidentiality: High
Integrity: None
Availability: None

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: High: The attacker is authorized with (i.e., requires) privileges that provide significant (e.g., administrative) control over the vulnerable component that could affect component-wide settings and files.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Changed: An exploited vulnerability can affect resources beyond the security scope managed by the security authority of the vulnerable component. In this case, the vulnerable component and the impacted component are different and managed by different security authorities.
Confidentiality: High: There is total loss of confidentiality, resulting in all resources within the impacted component being divulged to the attacker. Alternatively, access to only some restricted information is obtained, but the disclosed information presents a direct, serious impact.
Integrity: None: There is no loss of integrity within the impacted component.
Availability: None: There is no impact to availability within the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 1 Jul 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

AI-suggested

1. Immediately update or patch affected Konica Minolta bizhub 227 devices once vendor patches become available. 2. Until patches are released, restrict administrative access to the printers to trusted personnel and networks only, minimizing the risk of privilege escalation. 3. Disable LDAP authentication on the printers if not strictly necessary or replace it with more secure authentication methods such as Kerberos or certificate-based authentication. 4. Monitor network traffic for unusual LDAP authentication attempts, especially connections to unknown external LDAP servers. 5. Implement network segmentation to isolate multifunction printers from critical directory services and sensitive network segments. 6. Regularly audit printer configurations and credentials to detect unauthorized changes. 7. Employ strong password policies and consider rotating LDAP passwords frequently to limit exposure. 8. Use network-level controls such as firewall rules to prevent printers from connecting to unauthorized external LDAP servers.

Description

Insufficiently Protected Credentials in LDAP in Konica Minolta bizhub 227 Multifunction printers version GCQ-Y3 or earlier allows an attacker can reconfigure the target device to use an external LDAP service controlled by the attacker. If an LDAP password is set on the target device, the attacker can force the target device to authenticate to the attacker controlled LDAP service. This will allow the attacker to capture the plaintext password of the configured LDAP service.

Impact

For European organizations, this vulnerability poses a significant risk to the confidentiality of LDAP credentials used by multifunction printers. Since LDAP credentials often grant access to directory services containing user authentication and authorization data, their compromise can lead to broader network reconnaissance and potential lateral movement within corporate environments. The exposure of plaintext LDAP passwords can facilitate unauthorized access to sensitive systems, user impersonation, and escalation of privileges. Multifunction printers like the bizhub 227 are commonly deployed in office environments across Europe, making this a relevant threat vector. Confidentiality breaches could lead to data privacy violations under GDPR, resulting in regulatory penalties and reputational damage. Although the vulnerability does not directly impact integrity or availability, the indirect consequences of credential theft can be severe, including further exploitation of network resources and data exfiltration.

CWE-522Insufficiently Protected Credentials (opens in a new tab)
Class weaknessOWASP Top 10 A06:2025: Insecure Design (opens in a new tab)
The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.
Architecture and Design
Use an appropriate security mechanism to protect the credentials.
Architecture and Design
Make appropriate use of cryptography to protect the credentials.
Implementation
Use industry standards to protect the credentials (e.g. LDAP, keystore, etc.).
OWASP Cheat Sheets
Secure Design Principles (opens in a new tab)
OWASP ASVS 4.0.3
V2.10.3 (opens in a new tab)
V2.8.5 (opens in a new tab)
V2.8.4 (opens in a new tab)
Attack patterns
Session Sidejacking (opens in a new tab)
Signature Spoofing by Key Theft (opens in a new tab)
Password Recovery Exploitation (opens in a new tab)
Kerberoasting (opens in a new tab)
Modify Existing Service (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

Community reviews

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Exploitation evidence

What to do

Description

AI analysisMachine-generated, updated 1 Jul 2025, 04:09 UTC

WeaknessesCWE-522

Technical details

References

Community reviews

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