What’s Vulnerable › Vulnerabilities

CVE-2023-27520

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-04-11 · updated 2026-06-17
• Weakness: CWE-352

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 products

• Epson Esifnw1 Firmware: all versions
• Epson Esnsb1 Firmware: all versions
• Epson Esnsb2 Firmware: all versions
• Epson Lp-8200C Firmware: all versions
• Epson Lp-8500C Firmware: all versions
• Epson Lp-8700Ps3 Firmware: all versions
• Epson Lp-9200B Firmware: all versions
• Epson Lp-9200C Firmware: all versions
• Epson Lp-9200Ps2 Firmware: all versions
• Epson Lp-9200Ps3 Firmware: all versions
• Epson Lp-9300 Firmware: all versions
• Epson Lp-9600 Firmware: all versions
• Epson Lp-9600S Firmware: all versions
• Epson Lp-9800C Firmware: all versions
• Epson Lp-S3000 Firmware: all versions
• Epson Lp-S3000Ps Firmware: all versions
• Epson Lp-S3000R Firmware: all versions
• Epson Lp-S3000Z Firmware: all versions
• Epson Lp-S300N Firmware: all versions
• Epson Lp-S310N Firmware: all versions
• Epson Lp-S3500 Firmware: all versions
• Epson Lp-S4000 Firmware: all versions
• Epson Lp-S4200 Firmware: all versions
• Epson Lp-S4500 Firmware: all versions
• Epson Lp-S5000 Firmware: all versions
• Epson Lp-S5300 Firmware: all versions
• Epson Lp-S5300R Firmware: all versions
• Epson Lp-S5500 Firmware: all versions
• Epson Lp-S6000 Firmware: all versions
• Epson Lp-S6500 Firmware: all versions

References

• https://jvn.jp/en/jp/JVN82424996/
• https://www.epson.jp/support/misc_t/230308_oshirase.htm
• https://jvn.jp/en/jp/JVN82424996/
• https://www.epson.jp/support/misc_t/230308_oshirase.htm

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