CVE-2023-38556

moderate-risk

Published 2023-08-02

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.

Do I need to act?

0.37% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

NETWORK / LOW complexity

Affected Products (12)

Ep-801A Firmware

Ep-802A Firmware

Ep-901A Firmware

Ep-901F Firmware

Ep-902A Firmware

Pa-Tcu1 Firmware

Pm-T960 Firmware

Pm-T990 Firmware

Px-201 Firmware

Px-502A Firmware

Px-601F Firmware

Px-602F Firmware

Affected Vendors

Epson

References (4)

Third Party Advisory https://jvn.jp/en/jp/JVN61337171/

Vendor Advisory https://www.epson.jp/support/misc_t/230802_oshirase.htm

Third Party Advisory https://jvn.jp/en/jp/JVN61337171/

Vendor Advisory https://www.epson.jp/support/misc_t/230802_oshirase.htm

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moderate-risk

Severity 26/34 · High

Exploitability 1/34 · Minimal

Exposure 17/34 · Moderate