{"cve":"CVE-2021-20877","nvd":{"published":"2022-02-08T11:15:07.663","modified":"2026-06-17T03:34:35.830","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","score":4.8},"cwes":["CWE-79"],"references":["https://cweb.canon.jp/e-support/info/211221xss.html","https://jvn.jp/en/jp/JVN64806328/index.html","https://jvn.jp/jp/JVN64806328/index.html","https://www.canon-europe.com/support/product-security-latest-news/","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-scripting"],"products":["canon:2204f","canon:2204n","canon:2206if","canon:lbp113w","canon:lbp151dw","canon:lbp162","canon:lbp162dw","canon:lbp162l","canon:mf113w","canon:mf212w","canon:mf217w","canon:mf222dw","canon:mf224dw","canon:mf227dw","canon:mf229dw","canon:mf232w","canon:mf237w","canon:mf242dw","canon:mf244dw","canon:mf245dw","canon:mf247dw","canon:mf249dw","canon:mf262dw","canon:mf264dw","canon:mf265dw","canon:mf267dw","canon:mf269dw","canon:mf269dw_vp","canon:mf4570dn","canon:mf4570dw","canon:mf4770n","canon:mf4780w","canon:mf4880dw","canon:mf4890dw"],"source":"nvd","synced_at":"2026-10-19T21:27:20.926095847+00:00"},"epss":{"cve":"CVE-2021-20877","score":0.00842,"percentile":0.57931,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}