CVE-2023-27520

MEDIUM
6.5
CVSS Score
Published: April 11, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:45 AM UTC
241 products affected across 2 vendorsPRIFNW2AC FirmwareLp S6500 FirmwarePRIFNW2SAC Firmware

Using SEIKO EPSON printers/network interface Web Config by SEIKO EPSON CORPORATION?

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Cross-site request forgery (CSRF) vulnerability in SEIKO EPSON printers/network interface Web Config allows a remote unauthenticated attacker to hijack the authentication and perform unintended operations by having a logged-in user view a malicious page. [Note] Web Config is the software that allows users to check the status and change the settings of SEIKO EPSON printers/network interface via a web browser. According to SEIKO EPSON CORPORATION, it is also called as Remote Manager in some products. Web Config is pre-installed in some printers/network interface provided by SEIKO EPSON CORPORATION. For the details of the affected product names/model numbers, refer to the information provided by the vendor.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
epson-esifnw1 (same device)
All versions
epson-esnsb1 (same device)
All versions
epson-esnsb2 (same device)
All versions
epson-lp-8200c (same device)
All versions
epson-lp-8500c (same device)
All versions
epson-lp-8700ps3 (same device)
All versions
epson-lp-9200b (same device)
All versions
epson-lp-9200c (same device)
All versions
epson-lp-9200ps2 (same device)
All versions
epson-lp-9200ps3 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-352

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