HP Color LaserJet MFP M478-M479 series: Exposure of Sensitive Information to an Unauthorized Actor
CVE-2025-12785 is a high-severity exposure of sensitive information to an unauthorized actor vulnerability in HP Color LaserJet MFP M478-M479 series from HP, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. The record lists version 002_2539E as the first without the flaw, so updating HP Color LaserJet MFP M478-M479 series to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.33% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update HP Color LaserJet MFP M478-M479 series to 002_2539E or a later version.
- Update HP Color LaserJet Pro M453-M454 series to 002_2539E or a later version.
- Update HP LaserJet Pro M304-M305 Printer series to 002_2539E or a later version.
- Read the advisory on support.hp.com for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| HP | HP Color LaserJet MFP M478-M479 series | before 002_2539E | 002_2539E |
| HP | HP Color LaserJet Pro M453-M454 series | before 002_2539E | 002_2539E |
| HP | HP LaserJet Pro M304-M305 Printer series | before 002_2539E | 002_2539E |
| HP | HP LaserJet Pro M404-M405 Printer series | before 002_2539E | 002_2539E |
| HP | HP LaserJet Pro MFP M428-M429 f series | before 002_2539E | 002_2539E |
| HP | HP LaserJet Pro MFP M428-M429 series | before 002_2539E | 002_2539E |
| HP | W1y47a Firmware | before 002.2539e | 002.2539e |
| HP | 7kw48a Firmware | before 002.2539e | 002.2539e |
| HP | 7kw49a Firmware | before 002.2539e | 002.2539e |
| HP | 7kw50a Firmware | before 002.2539e | 002.2539e |
| HP | 7kw51a Firmware | before 002.2539e | 002.2539e |
| HP | 7kw54a Firmware | before 002.2539e | 002.2539e |
| HP | 7kw55a Firmware | before 002.2539e | 002.2539e |
| HP | 7kw56a Firmware | before 002.2539e | 002.2539e |
| HP | 7kw57a Firmware | before 002.2539e | 002.2539e |
| HP | 7kw58a Firmware | before 002.2539e | 002.2539e |
| HP | 7kw59a Firmware | before 002.2539e | 002.2539e |
| HP | 7kw63a Firmware | before 002.2539e | 002.2539e |
| HP | 7kw64a Firmware | before 002.2539e | 002.2539e |
| HP | 7kw65a Firmware | before 002.2539e | 002.2539e |
| HP | 7kw66a Firmware | before 002.2539e | 002.2539e |
| HP | 7kw67a Firmware | before 002.2539e | 002.2539e |
| HP | 7kw68a Firmware | before 002.2539e | 002.2539e |
| HP | 7kw72a Firmware | before 002.2539e | 002.2539e |
| HP | 7kw73a Firmware | before 002.2539e | 002.2539e |
Version data comes from the organisation that assigned the CVE; 35 further products are omitted here. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- NoneNothing can be modified.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 6.9 | Medium | CNA (hp.com) |
| CVSS 3.1 | 7.5 | High | NVD |
Official description
Certain HP LaserJet Pro printers may be vulnerable to information disclosure leading to credential exposure by altering the scan/send destination address and/or modifying the LDAP Server.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Exposure of Sensitive Information to an Unauthorized Actor
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
How developers prevent this class of flaw
- Compartmentalize the system to have safe areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area. Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.
More Exposure of Sensitive Information to an Unauthorized Actor vulnerabilities (CWE-200)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Recent Exposure of Sensitive Information to an Unauthorized Actor vulnerabilities
- 8.9 High severity
- 7.5 High severity
- 9.8 Critical severity
- 7.5 High severity
- 7.5 High severity
- 8.1 High severity
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