Vulnerability Monitor

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CVE-2023-38556


Improper input validation vulnerability in SEIKO EPSON printer Web Config allows a remote attacker to turned off the printer. [Note] Web Config is the software that allows users to check the status and change the settings of SEIKO EPSON printers via a web browser. Web Config is pre-installed in some printers provided by SEIKO EPSON CORPORATION. For the details of the affected product names/model numbers, refer to the information provided by the vendor.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 24 products from epson, from epson, from epson and 21 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2023, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2023-08-02T08:15:09.910

Last Modified

2024-11-21T08:13:49.370

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System epson ep-801a_firmware - Yes
Hardware epson ep-801a - No
Operating System epson ep-802a_firmware - Yes
Hardware epson ep-802a - No
Operating System epson ep-901a_firmware - Yes
Hardware epson ep-901a - No
Operating System epson ep-901f_firmware - Yes
Hardware epson ep-901f - No
Operating System epson ep-902a_firmware - Yes
Hardware epson ep-902a - No
Operating System epson pa-tcu1_firmware - Yes
Hardware epson pa-tcu1 - No
Operating System epson pm-t960_firmware - Yes
Hardware epson pm-t960 - No
Operating System epson pm-t990_firmware - Yes
Hardware epson pm-t990 - No
Operating System epson px-201_firmware - Yes
Hardware epson px-201 - No
Operating System epson px-502a_firmware - Yes
Hardware epson px-502a - No
Operating System epson px-601f_firmware - Yes
Hardware epson px-601f - No
Operating System epson px-602f_firmware - Yes
Hardware epson px-602f - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For epson's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.