CVE-2021-20877

Cross-site scripting vulnerability in Canon laser printers and small office multifunctional printers (LBP162L/LBP162, MF4890dw, MF269dw/MF265dw/MF264dw/MF262dw, MF249dw/MF245dw/MF244dw/MF242dw/MF232w, and MF229dw/MF224dw/MF222dw sold in Japan, imageCLASS MF Series (MF113W/MF212W/MF217W/MF227DW/MF229DW, MF232W/MF244DW/MF247DW/MF249DW, MF264DW/MF267DW/MF269DW/MF269DW VP, and MF4570DN/MF4570DW/MF4770N/MF4880DW/MF4890DW) and imageCLASS LBP Series (LBP113W/LBP151DW/LBP162DW ) sold in the US, and iSENSYS (LBP162DW, LBP113W, LBP151DW, MF269dw, MF267dw, MF264dw, MF113w, MF249dw, MF247dw, MF244dw, MF237w, MF232w, MF229dw, MF217w, MF212w, MF4780w, and MF4890dw) and imageRUNNER (2206IF, 2204N, and 2204F) sold in Europe) allows remote attackers to inject an arbitrary script via unspecified vectors.

• CWE-79

• https://cweb.canon.jp/e-support/info/211221xss.htmlVendor Advisory
• https://jvn.jp/en/jp/JVN64806328/index.htmlThird Party Advisory
• https://jvn.jp/jp/JVN64806328/index.htmlThird Party Advisory
• https://www.canon-europe.com/support/product-security-latest-news/Vendor Advisory
• https://www.usa.canon.com/internet/portal/us/home/support/product-advisories/detail/Service-Notice-Canon-Laser-Printer-and-Small-Office-Multifunctional-Printer-related-to-cross-site-scriptingVendor Advisory
• https://cweb.canon.jp/e-support/info/211221xss.htmlVendor Advisory
• https://jvn.jp/en/jp/JVN64806328/index.htmlThird Party Advisory
• https://jvn.jp/jp/JVN64806328/index.htmlThird Party Advisory
• https://www.canon-europe.com/support/product-security-latest-news/Vendor Advisory
• https://www.usa.canon.com/internet/portal/us/home/support/product-advisories/detail/Service-Notice-Canon-Laser-Printer-and-Small-Office-Multifunctional-Printer-related-to-cross-site-scriptingVendor Advisory

Published

Feb 8, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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